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Finding the Third Proportional to 40,752 and 84,042

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Solution

The third proportional to 40,752 and 84,042 is: 173,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752 : 84,042 = 84,042 : x
  2. Step 2: Convert to fraction form
    40,752/84,042 = 84,042/x
  3. Step 3: Cross multiply
    40,752x = 84,042 × 84,042
  4. Step 4: Simplify right side
    40,752x = 7,063,057,764
  5. Step 5: Solve for x
    x = 7,063,057,764/40,752
  6. Step 6: Final answer
    x = 173,318.06

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.