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Finding the Third Proportional to 78,344.50 and 119,352.25

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Solution

The third proportional to 78,344.50 and 119,352.25 is: 181,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,344.50 : 119,352.25 = 119,352.25 : x
  2. Step 2: Convert to fraction form
    78,344.50/119,352.25 = 119,352.25/x
  3. Step 3: Cross multiply
    78,344.50x = 119,352.25 × 119,352.25
  4. Step 4: Simplify right side
    78,344.50x = 14,244,959,580.06
  5. Step 5: Solve for x
    x = 14,244,959,580.06/78,344.50
  6. Step 6: Final answer
    x = 181,824.63

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.