Home / 252,396-390,747

Finding the Third Proportional to 252,396 and 390,747

Calculator

Solution

The third proportional to 252,396 and 390,747 is: 604,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,396 : 390,747 = 390,747 : x
  2. Step 2: Convert to fraction form
    252,396/390,747 = 390,747/x
  3. Step 3: Cross multiply
    252,396x = 390,747 × 390,747
  4. Step 4: Simplify right side
    252,396x = 152,683,218,009
  5. Step 5: Solve for x
    x = 152,683,218,009/252,396
  6. Step 6: Final answer
    x = 604,935.17

Related Problems

Find third proportional to 126,198 and 195,373.50
Half scale
Find third proportional to 504,792 and 781,494
Double scale
Find third proportional to 252,398 and 390,750
Similar ratio
Find third proportional to 378,594 and 586,120.50
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.