Home / 154,957-239,442

Finding the Third Proportional to 154,957 and 239,442

Calculator

Solution

The third proportional to 154,957 and 239,442 is: 369,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,957 : 239,442 = 239,442 : x
  2. Step 2: Convert to fraction form
    154,957/239,442 = 239,442/x
  3. Step 3: Cross multiply
    154,957x = 239,442 × 239,442
  4. Step 4: Simplify right side
    154,957x = 57,332,471,364
  5. Step 5: Solve for x
    x = 57,332,471,364/154,957
  6. Step 6: Final answer
    x = 369,989.55

Related Problems

Find third proportional to 77,478.50 and 119,721
Half scale
Find third proportional to 309,914 and 478,884
Double scale
Find third proportional to 154,959 and 239,445
Similar ratio
Find third proportional to 232,435.50 and 359,163
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.