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Finding the Third Proportional to 4,499 and 7,079

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Solution

The third proportional to 4,499 and 7,079 is: 11,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499 : 7,079 = 7,079 : x
  2. Step 2: Convert to fraction form
    4,499/7,079 = 7,079/x
  3. Step 3: Cross multiply
    4,499x = 7,079 × 7,079
  4. Step 4: Simplify right side
    4,499x = 50,112,241
  5. Step 5: Solve for x
    x = 50,112,241/4,499
  6. Step 6: Final answer
    x = 11,138.53

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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.