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Finding the Third Proportional to 18,017 and 27,602

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Solution

The third proportional to 18,017 and 27,602 is: 42,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017 : 27,602 = 27,602 : x
  2. Step 2: Convert to fraction form
    18,017/27,602 = 27,602/x
  3. Step 3: Cross multiply
    18,017x = 27,602 × 27,602
  4. Step 4: Simplify right side
    18,017x = 761,870,404
  5. Step 5: Solve for x
    x = 761,870,404/18,017
  6. Step 6: Final answer
    x = 42,286.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.