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Finding the Third Proportional to 6,320 and 9,242

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Solution

The third proportional to 6,320 and 9,242 is: 13,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320 : 9,242 = 9,242 : x
  2. Step 2: Convert to fraction form
    6,320/9,242 = 9,242/x
  3. Step 3: Cross multiply
    6,320x = 9,242 × 9,242
  4. Step 4: Simplify right side
    6,320x = 85,414,564
  5. Step 5: Solve for x
    x = 85,414,564/6,320
  6. Step 6: Final answer
    x = 13,514.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.