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Finding the Third Proportional to 127,132.50 and 172,660.50

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Solution

The third proportional to 127,132.50 and 172,660.50 is: 234,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,132.50 : 172,660.50 = 172,660.50 : x
  2. Step 2: Convert to fraction form
    127,132.50/172,660.50 = 172,660.50/x
  3. Step 3: Cross multiply
    127,132.50x = 172,660.50 × 172,660.50
  4. Step 4: Simplify right side
    127,132.50x = 29,811,648,260.25
  5. Step 5: Solve for x
    x = 29,811,648,260.25/127,132.50
  6. Step 6: Final answer
    x = 234,492.74

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.