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Finding the Third Proportional to 6,607.13 and 9,911.53

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Solution

The third proportional to 6,607.13 and 9,911.53 is: 14,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.13 : 9,911.53 = 9,911.53 : x
  2. Step 2: Convert to fraction form
    6,607.13/9,911.53 = 9,911.53/x
  3. Step 3: Cross multiply
    6,607.13x = 9,911.53 × 9,911.53
  4. Step 4: Simplify right side
    6,607.13x = 98,238,451.72
  5. Step 5: Solve for x
    x = 98,238,451.72/6,607.13
  6. Step 6: Final answer
    x = 14,868.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.