Home / 317,677,539-688,105,806

Finding the Third Proportional to 317,677,539 and 688,105,806

Calculator

Solution

The third proportional to 317,677,539 and 688,105,806 is: 1,490,472,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,677,539 : 688,105,806 = 688,105,806 : x
  2. Step 2: Convert to fraction form
    317,677,539/688,105,806 = 688,105,806/x
  3. Step 3: Cross multiply
    317,677,539x = 688,105,806 × 688,105,806
  4. Step 4: Simplify right side
    317,677,539x = 473,489,600,250,909,632
  5. Step 5: Solve for x
    x = 473,489,600,250,909,632/317,677,539
  6. Step 6: Final answer
    x = 1,490,472,388.26

Related Problems

Find third proportional to 158,838,769.50 and 344,052,903
Half scale
Find third proportional to 635,355,078 and 1,376,211,612
Double scale
Find third proportional to 317,677,541 and 688,105,810
Similar ratio
Find third proportional to 476,516,308.50 and 1,032,158,709
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.