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Finding the Third Proportional to 121,528 and 250,832

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Solution

The third proportional to 121,528 and 250,832 is: 517,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,528 : 250,832 = 250,832 : x
  2. Step 2: Convert to fraction form
    121,528/250,832 = 250,832/x
  3. Step 3: Cross multiply
    121,528x = 250,832 × 250,832
  4. Step 4: Simplify right side
    121,528x = 62,916,692,224
  5. Step 5: Solve for x
    x = 62,916,692,224/121,528
  6. Step 6: Final answer
    x = 517,713.55

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.