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Finding the Third Proportional to 78,713.44 and 169,863.75

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Solution

The third proportional to 78,713.44 and 169,863.75 is: 366,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713.44 : 169,863.75 = 169,863.75 : x
  2. Step 2: Convert to fraction form
    78,713.44/169,863.75 = 169,863.75/x
  3. Step 3: Cross multiply
    78,713.44x = 169,863.75 × 169,863.75
  4. Step 4: Simplify right side
    78,713.44x = 28,853,693,564.06
  5. Step 5: Solve for x
    x = 28,853,693,564.06/78,713.44
  6. Step 6: Final answer
    x = 366,566.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.