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Finding the Third Proportional to 2,079 and 4,521

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Solution

The third proportional to 2,079 and 4,521 is: 9,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079 : 4,521 = 4,521 : x
  2. Step 2: Convert to fraction form
    2,079/4,521 = 4,521/x
  3. Step 3: Cross multiply
    2,079x = 4,521 × 4,521
  4. Step 4: Simplify right side
    2,079x = 20,439,441
  5. Step 5: Solve for x
    x = 20,439,441/2,079
  6. Step 6: Final answer
    x = 9,831.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.