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Finding the Third Proportional to 17,565 and 22,257

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Solution

The third proportional to 17,565 and 22,257 is: 28,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565 : 22,257 = 22,257 : x
  2. Step 2: Convert to fraction form
    17,565/22,257 = 22,257/x
  3. Step 3: Cross multiply
    17,565x = 22,257 × 22,257
  4. Step 4: Simplify right side
    17,565x = 495,374,049
  5. Step 5: Solve for x
    x = 495,374,049/17,565
  6. Step 6: Final answer
    x = 28,202.34

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.