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Finding the Third Proportional to 71,400.75 and 155,092.88

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Solution

The third proportional to 71,400.75 and 155,092.88 is: 336,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,400.75 : 155,092.88 = 155,092.88 : x
  2. Step 2: Convert to fraction form
    71,400.75/155,092.88 = 155,092.88/x
  3. Step 3: Cross multiply
    71,400.75x = 155,092.88 × 155,092.88
  4. Step 4: Simplify right side
    71,400.75x = 24,053,799,875.77
  5. Step 5: Solve for x
    x = 24,053,799,875.77/71,400.75
  6. Step 6: Final answer
    x = 336,884.41

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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.