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Finding the Third Proportional to 71,810 and 158,092

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Solution

The third proportional to 71,810 and 158,092 is: 348,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810 : 158,092 = 158,092 : x
  2. Step 2: Convert to fraction form
    71,810/158,092 = 158,092/x
  3. Step 3: Cross multiply
    71,810x = 158,092 × 158,092
  4. Step 4: Simplify right side
    71,810x = 24,993,080,464
  5. Step 5: Solve for x
    x = 24,993,080,464/71,810
  6. Step 6: Final answer
    x = 348,044.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.