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Finding the Third Proportional to 78,044.50 and 116,753.75

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Solution

The third proportional to 78,044.50 and 116,753.75 is: 174,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,044.50 : 116,753.75 = 116,753.75 : x
  2. Step 2: Convert to fraction form
    78,044.50/116,753.75 = 116,753.75/x
  3. Step 3: Cross multiply
    78,044.50x = 116,753.75 × 116,753.75
  4. Step 4: Simplify right side
    78,044.50x = 13,631,438,139.06
  5. Step 5: Solve for x
    x = 13,631,438,139.06/78,044.50
  6. Step 6: Final answer
    x = 174,662.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.