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Finding the Third Proportional to 6,339.75 and 9,855.56

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Solution

The third proportional to 6,339.75 and 9,855.56 is: 15,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.75 : 9,855.56 = 9,855.56 : x
  2. Step 2: Convert to fraction form
    6,339.75/9,855.56 = 9,855.56/x
  3. Step 3: Cross multiply
    6,339.75x = 9,855.56 × 9,855.56
  4. Step 4: Simplify right side
    6,339.75x = 97,132,112.19
  5. Step 5: Solve for x
    x = 97,132,112.19/6,339.75
  6. Step 6: Final answer
    x = 15,321.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.