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Finding the Third Proportional to 3,723.19 and 7,656.75

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Solution

The third proportional to 3,723.19 and 7,656.75 is: 15,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.19 : 7,656.75 = 7,656.75 : x
  2. Step 2: Convert to fraction form
    3,723.19/7,656.75 = 7,656.75/x
  3. Step 3: Cross multiply
    3,723.19x = 7,656.75 × 7,656.75
  4. Step 4: Simplify right side
    3,723.19x = 58,625,820.56
  5. Step 5: Solve for x
    x = 58,625,820.56/3,723.19
  6. Step 6: Final answer
    x = 15,746.14

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.