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Finding the Third Proportional to 17,127 and 22,315

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Solution

The third proportional to 17,127 and 22,315 is: 29,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127 : 22,315 = 22,315 : x
  2. Step 2: Convert to fraction form
    17,127/22,315 = 22,315/x
  3. Step 3: Cross multiply
    17,127x = 22,315 × 22,315
  4. Step 4: Simplify right side
    17,127x = 497,959,225
  5. Step 5: Solve for x
    x = 497,959,225/17,127
  6. Step 6: Final answer
    x = 29,074.52

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.