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Finding the Third Proportional to 37,604 and 81,688

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Solution

The third proportional to 37,604 and 81,688 is: 177,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,604 : 81,688 = 81,688 : x
  2. Step 2: Convert to fraction form
    37,604/81,688 = 81,688/x
  3. Step 3: Cross multiply
    37,604x = 81,688 × 81,688
  4. Step 4: Simplify right side
    37,604x = 6,672,929,344
  5. Step 5: Solve for x
    x = 6,672,929,344/37,604
  6. Step 6: Final answer
    x = 177,452.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.