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Finding the Third Proportional to 144,001.50 and 217,986

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Solution

The third proportional to 144,001.50 and 217,986 is: 329,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.50 : 217,986 = 217,986 : x
  2. Step 2: Convert to fraction form
    144,001.50/217,986 = 217,986/x
  3. Step 3: Cross multiply
    144,001.50x = 217,986 × 217,986
  4. Step 4: Simplify right side
    144,001.50x = 47,517,896,196
  5. Step 5: Solve for x
    x = 47,517,896,196/144,001.50
  6. Step 6: Final answer
    x = 329,981.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.