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Finding the Third Proportional to 2,655.75 and 7,225.13

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Solution

The third proportional to 2,655.75 and 7,225.13 is: 19,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.75 : 7,225.13 = 7,225.13 : x
  2. Step 2: Convert to fraction form
    2,655.75/7,225.13 = 7,225.13/x
  3. Step 3: Cross multiply
    2,655.75x = 7,225.13 × 7,225.13
  4. Step 4: Simplify right side
    2,655.75x = 52,202,431.27
  5. Step 5: Solve for x
    x = 52,202,431.27/2,655.75
  6. Step 6: Final answer
    x = 19,656.38

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.