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Finding the Third Proportional to 3,097.13 and 6,690.38

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Solution

The third proportional to 3,097.13 and 6,690.38 is: 14,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.13 : 6,690.38 = 6,690.38 : x
  2. Step 2: Convert to fraction form
    3,097.13/6,690.38 = 6,690.38/x
  3. Step 3: Cross multiply
    3,097.13x = 6,690.38 × 6,690.38
  4. Step 4: Simplify right side
    3,097.13x = 44,761,117.64
  5. Step 5: Solve for x
    x = 44,761,117.64/3,097.13
  6. Step 6: Final answer
    x = 14,452.47

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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.