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Finding the Third Proportional to 18,694 and 40,898

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Solution

The third proportional to 18,694 and 40,898 is: 89,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694 : 40,898 = 40,898 : x
  2. Step 2: Convert to fraction form
    18,694/40,898 = 40,898/x
  3. Step 3: Cross multiply
    18,694x = 40,898 × 40,898
  4. Step 4: Simplify right side
    18,694x = 1,672,646,404
  5. Step 5: Solve for x
    x = 1,672,646,404/18,694
  6. Step 6: Final answer
    x = 89,475.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.