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Finding the Third Proportional to 37,051 and 81,129

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Solution

The third proportional to 37,051 and 81,129 is: 177,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,051 : 81,129 = 81,129 : x
  2. Step 2: Convert to fraction form
    37,051/81,129 = 81,129/x
  3. Step 3: Cross multiply
    37,051x = 81,129 × 81,129
  4. Step 4: Simplify right side
    37,051x = 6,581,914,641
  5. Step 5: Solve for x
    x = 6,581,914,641/37,051
  6. Step 6: Final answer
    x = 177,644.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.