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Finding the Third Proportional to 18,304 and 39,458

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Solution

The third proportional to 18,304 and 39,458 is: 85,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304 : 39,458 = 39,458 : x
  2. Step 2: Convert to fraction form
    18,304/39,458 = 39,458/x
  3. Step 3: Cross multiply
    18,304x = 39,458 × 39,458
  4. Step 4: Simplify right side
    18,304x = 1,556,933,764
  5. Step 5: Solve for x
    x = 1,556,933,764/18,304
  6. Step 6: Final answer
    x = 85,059.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.