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Finding the Third Proportional to 66,656.25 and 93,760.75

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Solution

The third proportional to 66,656.25 and 93,760.75 is: 131,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656.25 : 93,760.75 = 93,760.75 : x
  2. Step 2: Convert to fraction form
    66,656.25/93,760.75 = 93,760.75/x
  3. Step 3: Cross multiply
    66,656.25x = 93,760.75 × 93,760.75
  4. Step 4: Simplify right side
    66,656.25x = 8,791,078,240.56
  5. Step 5: Solve for x
    x = 8,791,078,240.56/66,656.25
  6. Step 6: Final answer
    x = 131,886.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.