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Finding the Third Proportional to 6,679.13 and 9,360.56

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Solution

The third proportional to 6,679.13 and 9,360.56 is: 13,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.13 : 9,360.56 = 9,360.56 : x
  2. Step 2: Convert to fraction form
    6,679.13/9,360.56 = 9,360.56/x
  3. Step 3: Cross multiply
    6,679.13x = 9,360.56 × 9,360.56
  4. Step 4: Simplify right side
    6,679.13x = 87,620,130.32
  5. Step 5: Solve for x
    x = 87,620,130.32/6,679.13
  6. Step 6: Final answer
    x = 13,118.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.