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Finding the Third Proportional to 40,918 and 60,080

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Solution

The third proportional to 40,918 and 60,080 is: 88,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918 : 60,080 = 60,080 : x
  2. Step 2: Convert to fraction form
    40,918/60,080 = 60,080/x
  3. Step 3: Cross multiply
    40,918x = 60,080 × 60,080
  4. Step 4: Simplify right side
    40,918x = 3,609,606,400
  5. Step 5: Solve for x
    x = 3,609,606,400/40,918
  6. Step 6: Final answer
    x = 88,215.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.