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Finding the Third Proportional to 100,753.88 and 219,930.19

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Solution

The third proportional to 100,753.88 and 219,930.19 is: 480,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,753.88 : 219,930.19 = 219,930.19 : x
  2. Step 2: Convert to fraction form
    100,753.88/219,930.19 = 219,930.19/x
  3. Step 3: Cross multiply
    100,753.88x = 219,930.19 × 219,930.19
  4. Step 4: Simplify right side
    100,753.88x = 48,369,287,373.79
  5. Step 5: Solve for x
    x = 48,369,287,373.79/100,753.88
  6. Step 6: Final answer
    x = 480,073.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.