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Finding the Third Proportional to 4,458 and 9,048

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Solution

The third proportional to 4,458 and 9,048 is: 18,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458 : 9,048 = 9,048 : x
  2. Step 2: Convert to fraction form
    4,458/9,048 = 9,048/x
  3. Step 3: Cross multiply
    4,458x = 9,048 × 9,048
  4. Step 4: Simplify right side
    4,458x = 81,866,304
  5. Step 5: Solve for x
    x = 81,866,304/4,458
  6. Step 6: Final answer
    x = 18,363.91

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.