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Finding the Third Proportional to 66,671 and 93,781

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Solution

The third proportional to 66,671 and 93,781 is: 131,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,671 : 93,781 = 93,781 : x
  2. Step 2: Convert to fraction form
    66,671/93,781 = 93,781/x
  3. Step 3: Cross multiply
    66,671x = 93,781 × 93,781
  4. Step 4: Simplify right side
    66,671x = 8,794,875,961
  5. Step 5: Solve for x
    x = 8,794,875,961/66,671
  6. Step 6: Final answer
    x = 131,914.56

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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.