Home / 385,576-817,806

Finding the Third Proportional to 385,576 and 817,806

Calculator

Solution

The third proportional to 385,576 and 817,806 is: 1,734,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,576 : 817,806 = 817,806 : x
  2. Step 2: Convert to fraction form
    385,576/817,806 = 817,806/x
  3. Step 3: Cross multiply
    385,576x = 817,806 × 817,806
  4. Step 4: Simplify right side
    385,576x = 668,806,653,636
  5. Step 5: Solve for x
    x = 668,806,653,636/385,576
  6. Step 6: Final answer
    x = 1,734,565.05

Related Problems

Find third proportional to 192,788 and 408,903
Half scale
Find third proportional to 771,152 and 1,635,612
Double scale
Find third proportional to 385,578 and 817,810
Similar ratio
Find third proportional to 578,364 and 1,226,709
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.