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Finding the Third Proportional to 2,926.13 and 6,751.69

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Solution

The third proportional to 2,926.13 and 6,751.69 is: 15,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.13 : 6,751.69 = 6,751.69 : x
  2. Step 2: Convert to fraction form
    2,926.13/6,751.69 = 6,751.69/x
  3. Step 3: Cross multiply
    2,926.13x = 6,751.69 × 6,751.69
  4. Step 4: Simplify right side
    2,926.13x = 45,585,284.10
  5. Step 5: Solve for x
    x = 45,585,284.10/2,926.13
  6. Step 6: Final answer
    x = 15,578.72

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.