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Finding the Third Proportional to 4,860 and 9,012

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Solution

The third proportional to 4,860 and 9,012 is: 16,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860 : 9,012 = 9,012 : x
  2. Step 2: Convert to fraction form
    4,860/9,012 = 9,012/x
  3. Step 3: Cross multiply
    4,860x = 9,012 × 9,012
  4. Step 4: Simplify right side
    4,860x = 81,216,144
  5. Step 5: Solve for x
    x = 81,216,144/4,860
  6. Step 6: Final answer
    x = 16,711.14

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.