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Finding the Third Proportional to 6,617 and 9,014

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Solution

The third proportional to 6,617 and 9,014 is: 12,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617 : 9,014 = 9,014 : x
  2. Step 2: Convert to fraction form
    6,617/9,014 = 9,014/x
  3. Step 3: Cross multiply
    6,617x = 9,014 × 9,014
  4. Step 4: Simplify right side
    6,617x = 81,252,196
  5. Step 5: Solve for x
    x = 81,252,196/6,617
  6. Step 6: Final answer
    x = 12,279.31

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.