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Finding the Third Proportional to 27,902 and 43,545

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Solution

The third proportional to 27,902 and 43,545 is: 67,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902 : 43,545 = 43,545 : x
  2. Step 2: Convert to fraction form
    27,902/43,545 = 43,545/x
  3. Step 3: Cross multiply
    27,902x = 43,545 × 43,545
  4. Step 4: Simplify right side
    27,902x = 1,896,167,025
  5. Step 5: Solve for x
    x = 1,896,167,025/27,902
  6. Step 6: Final answer
    x = 67,958.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.