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Finding the Third Proportional to 66,513.75 and 141,652.13

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Solution

The third proportional to 66,513.75 and 141,652.13 is: 301,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,513.75 : 141,652.13 = 141,652.13 : x
  2. Step 2: Convert to fraction form
    66,513.75/141,652.13 = 141,652.13/x
  3. Step 3: Cross multiply
    66,513.75x = 141,652.13 × 141,652.13
  4. Step 4: Simplify right side
    66,513.75x = 20,065,324,517.02
  5. Step 5: Solve for x
    x = 20,065,324,517.02/66,513.75
  6. Step 6: Final answer
    x = 301,671.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.