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Finding the Third Proportional to 3,177.98 and 6,859.69

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Solution

The third proportional to 3,177.98 and 6,859.69 is: 14,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.98 : 6,859.69 = 6,859.69 : x
  2. Step 2: Convert to fraction form
    3,177.98/6,859.69 = 6,859.69/x
  3. Step 3: Cross multiply
    3,177.98x = 6,859.69 × 6,859.69
  4. Step 4: Simplify right side
    3,177.98x = 47,055,312.60
  5. Step 5: Solve for x
    x = 47,055,312.60/3,177.98
  6. Step 6: Final answer
    x = 14,806.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.