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Finding the Third Proportional to 37,453.50 and 80,415

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Solution

The third proportional to 37,453.50 and 80,415 is: 172,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,453.50 : 80,415 = 80,415 : x
  2. Step 2: Convert to fraction form
    37,453.50/80,415 = 80,415/x
  3. Step 3: Cross multiply
    37,453.50x = 80,415 × 80,415
  4. Step 4: Simplify right side
    37,453.50x = 6,466,572,225
  5. Step 5: Solve for x
    x = 6,466,572,225/37,453.50
  6. Step 6: Final answer
    x = 172,656.02

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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.