Home / 138,264-282,364

Finding the Third Proportional to 138,264 and 282,364

Calculator

Solution

The third proportional to 138,264 and 282,364 is: 576,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,264 : 282,364 = 282,364 : x
  2. Step 2: Convert to fraction form
    138,264/282,364 = 282,364/x
  3. Step 3: Cross multiply
    138,264x = 282,364 × 282,364
  4. Step 4: Simplify right side
    138,264x = 79,729,428,496
  5. Step 5: Solve for x
    x = 79,729,428,496/138,264
  6. Step 6: Final answer
    x = 576,646.33

Related Problems

Find third proportional to 69,132 and 141,182
Half scale
Find third proportional to 276,528 and 564,728
Double scale
Find third proportional to 138,266 and 282,368
Similar ratio
Find third proportional to 207,396 and 423,546
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.