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Finding the Third Proportional to 4,498 and 9,179

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Solution

The third proportional to 4,498 and 9,179 is: 18,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498 : 9,179 = 9,179 : x
  2. Step 2: Convert to fraction form
    4,498/9,179 = 9,179/x
  3. Step 3: Cross multiply
    4,498x = 9,179 × 9,179
  4. Step 4: Simplify right side
    4,498x = 84,254,041
  5. Step 5: Solve for x
    x = 84,254,041/4,498
  6. Step 6: Final answer
    x = 18,731.45

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.