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Finding the Third Proportional to 37,348.50 and 80,361

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Solution

The third proportional to 37,348.50 and 80,361 is: 172,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,348.50 : 80,361 = 80,361 : x
  2. Step 2: Convert to fraction form
    37,348.50/80,361 = 80,361/x
  3. Step 3: Cross multiply
    37,348.50x = 80,361 × 80,361
  4. Step 4: Simplify right side
    37,348.50x = 6,457,890,321
  5. Step 5: Solve for x
    x = 6,457,890,321/37,348.50
  6. Step 6: Final answer
    x = 172,908.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.