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Finding the Third Proportional to 13,239.75 and 28,254.75

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Solution

The third proportional to 13,239.75 and 28,254.75 is: 60,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.75 : 28,254.75 = 28,254.75 : x
  2. Step 2: Convert to fraction form
    13,239.75/28,254.75 = 28,254.75/x
  3. Step 3: Cross multiply
    13,239.75x = 28,254.75 × 28,254.75
  4. Step 4: Simplify right side
    13,239.75x = 798,330,897.56
  5. Step 5: Solve for x
    x = 798,330,897.56/13,239.75
  6. Step 6: Final answer
    x = 60,298.03

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.