Home / 258,239-377,448

Finding the Third Proportional to 258,239 and 377,448

Calculator

Solution

The third proportional to 258,239 and 377,448 is: 551,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,239 : 377,448 = 377,448 : x
  2. Step 2: Convert to fraction form
    258,239/377,448 = 377,448/x
  3. Step 3: Cross multiply
    258,239x = 377,448 × 377,448
  4. Step 4: Simplify right side
    258,239x = 142,466,992,704
  5. Step 5: Solve for x
    x = 142,466,992,704/258,239
  6. Step 6: Final answer
    x = 551,686.59

Related Problems

Find third proportional to 129,119.50 and 188,724
Half scale
Find third proportional to 516,478 and 754,896
Double scale
Find third proportional to 258,241 and 377,451
Similar ratio
Find third proportional to 387,358.50 and 566,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.