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Finding the Third Proportional to 37,725 and 79,581

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Solution

The third proportional to 37,725 and 79,581 is: 167,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,725 : 79,581 = 79,581 : x
  2. Step 2: Convert to fraction form
    37,725/79,581 = 79,581/x
  3. Step 3: Cross multiply
    37,725x = 79,581 × 79,581
  4. Step 4: Simplify right side
    37,725x = 6,333,135,561
  5. Step 5: Solve for x
    x = 6,333,135,561/37,725
  6. Step 6: Final answer
    x = 167,876.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.