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Finding the Third Proportional to 18,432 and 37,548

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Solution

The third proportional to 18,432 and 37,548 is: 76,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432 : 37,548 = 37,548 : x
  2. Step 2: Convert to fraction form
    18,432/37,548 = 37,548/x
  3. Step 3: Cross multiply
    18,432x = 37,548 × 37,548
  4. Step 4: Simplify right side
    18,432x = 1,409,852,304
  5. Step 5: Solve for x
    x = 1,409,852,304/18,432
  6. Step 6: Final answer
    x = 76,489.38

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.