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Finding the Third Proportional to 18,068 and 39,560

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Solution

The third proportional to 18,068 and 39,560 is: 86,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068 : 39,560 = 39,560 : x
  2. Step 2: Convert to fraction form
    18,068/39,560 = 39,560/x
  3. Step 3: Cross multiply
    18,068x = 39,560 × 39,560
  4. Step 4: Simplify right side
    18,068x = 1,564,993,600
  5. Step 5: Solve for x
    x = 1,564,993,600/18,068
  6. Step 6: Final answer
    x = 86,616.87

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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.