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Finding the Third Proportional to 8,992 and 15,320

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Solution

The third proportional to 8,992 and 15,320 is: 26,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992 : 15,320 = 15,320 : x
  2. Step 2: Convert to fraction form
    8,992/15,320 = 15,320/x
  3. Step 3: Cross multiply
    8,992x = 15,320 × 15,320
  4. Step 4: Simplify right side
    8,992x = 234,702,400
  5. Step 5: Solve for x
    x = 234,702,400/8,992
  6. Step 6: Final answer
    x = 26,101.25

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.