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Finding the Third Proportional to 3,340.81 and 7,308.13

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Solution

The third proportional to 3,340.81 and 7,308.13 is: 15,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.81 : 7,308.13 = 7,308.13 : x
  2. Step 2: Convert to fraction form
    3,340.81/7,308.13 = 7,308.13/x
  3. Step 3: Cross multiply
    3,340.81x = 7,308.13 × 7,308.13
  4. Step 4: Simplify right side
    3,340.81x = 53,408,691.02
  5. Step 5: Solve for x
    x = 53,408,691.02/3,340.81
  6. Step 6: Final answer
    x = 15,986.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.