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Finding the Third Proportional to 71,575.88 and 107,328.38

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Solution

The third proportional to 71,575.88 and 107,328.38 is: 160,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.88 : 107,328.38 = 107,328.38 : x
  2. Step 2: Convert to fraction form
    71,575.88/107,328.38 = 107,328.38/x
  3. Step 3: Cross multiply
    71,575.88x = 107,328.38 × 107,328.38
  4. Step 4: Simplify right side
    71,575.88x = 11,519,380,080.14
  5. Step 5: Solve for x
    x = 11,519,380,080.14/71,575.88
  6. Step 6: Final answer
    x = 160,939.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.