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Finding the Third Proportional to 18,482 and 28,960

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Solution

The third proportional to 18,482 and 28,960 is: 45,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482 : 28,960 = 28,960 : x
  2. Step 2: Convert to fraction form
    18,482/28,960 = 28,960/x
  3. Step 3: Cross multiply
    18,482x = 28,960 × 28,960
  4. Step 4: Simplify right side
    18,482x = 838,681,600
  5. Step 5: Solve for x
    x = 838,681,600/18,482
  6. Step 6: Final answer
    x = 45,378.29

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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.