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Finding the Third Proportional to 18,525 and 36,117

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Solution

The third proportional to 18,525 and 36,117 is: 70,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525 : 36,117 = 36,117 : x
  2. Step 2: Convert to fraction form
    18,525/36,117 = 36,117/x
  3. Step 3: Cross multiply
    18,525x = 36,117 × 36,117
  4. Step 4: Simplify right side
    18,525x = 1,304,437,689
  5. Step 5: Solve for x
    x = 1,304,437,689/18,525
  6. Step 6: Final answer
    x = 70,414.99

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.