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Finding the Third Proportional to 71,543.06 and 155,387.44

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Solution

The third proportional to 71,543.06 and 155,387.44 is: 337,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,543.06 : 155,387.44 = 155,387.44 : x
  2. Step 2: Convert to fraction form
    71,543.06/155,387.44 = 155,387.44/x
  3. Step 3: Cross multiply
    71,543.06x = 155,387.44 × 155,387.44
  4. Step 4: Simplify right side
    71,543.06x = 24,145,255,732.82
  5. Step 5: Solve for x
    x = 24,145,255,732.82/71,543.06
  6. Step 6: Final answer
    x = 337,492.62

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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.