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Finding the Third Proportional to 18,192 and 28,746

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Solution

The third proportional to 18,192 and 28,746 is: 45,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192 : 28,746 = 28,746 : x
  2. Step 2: Convert to fraction form
    18,192/28,746 = 28,746/x
  3. Step 3: Cross multiply
    18,192x = 28,746 × 28,746
  4. Step 4: Simplify right side
    18,192x = 826,332,516
  5. Step 5: Solve for x
    x = 826,332,516/18,192
  6. Step 6: Final answer
    x = 45,422.85

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.