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Finding the Third Proportional to 18,065 and 28,376

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Solution

The third proportional to 18,065 and 28,376 is: 44,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065 : 28,376 = 28,376 : x
  2. Step 2: Convert to fraction form
    18,065/28,376 = 28,376/x
  3. Step 3: Cross multiply
    18,065x = 28,376 × 28,376
  4. Step 4: Simplify right side
    18,065x = 805,197,376
  5. Step 5: Solve for x
    x = 805,197,376/18,065
  6. Step 6: Final answer
    x = 44,572.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.