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Finding the Third Proportional to 4,272 and 6,102

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Solution

The third proportional to 4,272 and 6,102 is: 8,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272 : 6,102 = 6,102 : x
  2. Step 2: Convert to fraction form
    4,272/6,102 = 6,102/x
  3. Step 3: Cross multiply
    4,272x = 6,102 × 6,102
  4. Step 4: Simplify right side
    4,272x = 37,234,404
  5. Step 5: Solve for x
    x = 37,234,404/4,272
  6. Step 6: Final answer
    x = 8,715.92

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.