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Finding the Third Proportional to 42,607.13 and 66,841.88

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Solution

The third proportional to 42,607.13 and 66,841.88 is: 104,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607.13 : 66,841.88 = 66,841.88 : x
  2. Step 2: Convert to fraction form
    42,607.13/66,841.88 = 66,841.88/x
  3. Step 3: Cross multiply
    42,607.13x = 66,841.88 × 66,841.88
  4. Step 4: Simplify right side
    42,607.13x = 4,467,836,253.52
  5. Step 5: Solve for x
    x = 4,467,836,253.52/42,607.13
  6. Step 6: Final answer
    x = 104,861.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.