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Finding the Third Proportional to 22,079 and 47,315

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Solution

The third proportional to 22,079 and 47,315 is: 101,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079 : 47,315 = 47,315 : x
  2. Step 2: Convert to fraction form
    22,079/47,315 = 47,315/x
  3. Step 3: Cross multiply
    22,079x = 47,315 × 47,315
  4. Step 4: Simplify right side
    22,079x = 2,238,709,225
  5. Step 5: Solve for x
    x = 2,238,709,225/22,079
  6. Step 6: Final answer
    x = 101,395.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.