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Finding the Third Proportional to 77,917.50 and 169,497

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Solution

The third proportional to 77,917.50 and 169,497 is: 368,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,917.50 : 169,497 = 169,497 : x
  2. Step 2: Convert to fraction form
    77,917.50/169,497 = 169,497/x
  3. Step 3: Cross multiply
    77,917.50x = 169,497 × 169,497
  4. Step 4: Simplify right side
    77,917.50x = 28,729,233,009
  5. Step 5: Solve for x
    x = 28,729,233,009/77,917.50
  6. Step 6: Final answer
    x = 368,713.49

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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.