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Finding the Third Proportional to 77,937.50 and 117,432.75

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Solution

The third proportional to 77,937.50 and 117,432.75 is: 176,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,937.50 : 117,432.75 = 117,432.75 : x
  2. Step 2: Convert to fraction form
    77,937.50/117,432.75 = 117,432.75/x
  3. Step 3: Cross multiply
    77,937.50x = 117,432.75 × 117,432.75
  4. Step 4: Simplify right side
    77,937.50x = 13,790,450,772.56
  5. Step 5: Solve for x
    x = 13,790,450,772.56/77,937.50
  6. Step 6: Final answer
    x = 176,942.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.