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Finding the Third Proportional to 66,947.25 and 103,747.13

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Solution

The third proportional to 66,947.25 and 103,747.13 is: 160,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,947.25 : 103,747.13 = 103,747.13 : x
  2. Step 2: Convert to fraction form
    66,947.25/103,747.13 = 103,747.13/x
  3. Step 3: Cross multiply
    66,947.25x = 103,747.13 × 103,747.13
  4. Step 4: Simplify right side
    66,947.25x = 10,763,465,945.77
  5. Step 5: Solve for x
    x = 10,763,465,945.77/66,947.25
  6. Step 6: Final answer
    x = 160,775.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.