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Finding the Third Proportional to 81,508.50 and 127,014.75

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Solution

The third proportional to 81,508.50 and 127,014.75 is: 197,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508.50 : 127,014.75 = 127,014.75 : x
  2. Step 2: Convert to fraction form
    81,508.50/127,014.75 = 127,014.75/x
  3. Step 3: Cross multiply
    81,508.50x = 127,014.75 × 127,014.75
  4. Step 4: Simplify right side
    81,508.50x = 16,132,746,717.56
  5. Step 5: Solve for x
    x = 16,132,746,717.56/81,508.50
  6. Step 6: Final answer
    x = 197,927.17

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.