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Finding the Third Proportional to 15,147 and 29,929.50

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Solution

The third proportional to 15,147 and 29,929.50 is: 59,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147 : 29,929.50 = 29,929.50 : x
  2. Step 2: Convert to fraction form
    15,147/29,929.50 = 29,929.50/x
  3. Step 3: Cross multiply
    15,147x = 29,929.50 × 29,929.50
  4. Step 4: Simplify right side
    15,147x = 895,774,970.25
  5. Step 5: Solve for x
    x = 895,774,970.25/15,147
  6. Step 6: Final answer
    x = 59,138.77

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.