Home / 317,692-698,564

Finding the Third Proportional to 317,692 and 698,564

Calculator

Solution

The third proportional to 317,692 and 698,564 is: 1,536,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,692 : 698,564 = 698,564 : x
  2. Step 2: Convert to fraction form
    317,692/698,564 = 698,564/x
  3. Step 3: Cross multiply
    317,692x = 698,564 × 698,564
  4. Step 4: Simplify right side
    317,692x = 487,991,662,096
  5. Step 5: Solve for x
    x = 487,991,662,096/317,692
  6. Step 6: Final answer
    x = 1,536,052.72

Related Problems

Find third proportional to 158,846 and 349,282
Half scale
Find third proportional to 635,384 and 1,397,128
Double scale
Find third proportional to 317,694 and 698,568
Similar ratio
Find third proportional to 476,538 and 1,047,846
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.