Home / 508,734-787,370

Finding the Third Proportional to 508,734 and 787,370

Calculator

Solution

The third proportional to 508,734 and 787,370 is: 1,218,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,734 : 787,370 = 787,370 : x
  2. Step 2: Convert to fraction form
    508,734/787,370 = 787,370/x
  3. Step 3: Cross multiply
    508,734x = 787,370 × 787,370
  4. Step 4: Simplify right side
    508,734x = 619,951,516,900
  5. Step 5: Solve for x
    x = 619,951,516,900/508,734
  6. Step 6: Final answer
    x = 1,218,616.25

Related Problems

Find third proportional to 254,367 and 393,685
Half scale
Find third proportional to 1,017,468 and 1,574,740
Double scale
Find third proportional to 508,736 and 787,373
Similar ratio
Find third proportional to 763,101 and 1,181,055
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.