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Finding the Third Proportional to 43,001 and 66,418

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Solution

The third proportional to 43,001 and 66,418 is: 102,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,001 : 66,418 = 66,418 : x
  2. Step 2: Convert to fraction form
    43,001/66,418 = 66,418/x
  3. Step 3: Cross multiply
    43,001x = 66,418 × 66,418
  4. Step 4: Simplify right side
    43,001x = 4,411,350,724
  5. Step 5: Solve for x
    x = 4,411,350,724/43,001
  6. Step 6: Final answer
    x = 102,587.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.