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Finding the Third Proportional to 28,659.75 and 62,992.13

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Solution

The third proportional to 28,659.75 and 62,992.13 is: 138,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.75 : 62,992.13 = 62,992.13 : x
  2. Step 2: Convert to fraction form
    28,659.75/62,992.13 = 62,992.13/x
  3. Step 3: Cross multiply
    28,659.75x = 62,992.13 × 62,992.13
  4. Step 4: Simplify right side
    28,659.75x = 3,968,007,812.02
  5. Step 5: Solve for x
    x = 3,968,007,812.02/28,659.75
  6. Step 6: Final answer
    x = 138,452.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.