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Finding the Third Proportional to 13,655.25 and 29,279.25

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Solution

The third proportional to 13,655.25 and 29,279.25 is: 62,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.25 : 29,279.25 = 29,279.25 : x
  2. Step 2: Convert to fraction form
    13,655.25/29,279.25 = 29,279.25/x
  3. Step 3: Cross multiply
    13,655.25x = 29,279.25 × 29,279.25
  4. Step 4: Simplify right side
    13,655.25x = 857,274,480.56
  5. Step 5: Solve for x
    x = 857,274,480.56/13,655.25
  6. Step 6: Final answer
    x = 62,779.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.