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Finding the Third Proportional to 15,342.75 and 28,424.25

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Solution

The third proportional to 15,342.75 and 28,424.25 is: 52,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.75 : 28,424.25 = 28,424.25 : x
  2. Step 2: Convert to fraction form
    15,342.75/28,424.25 = 28,424.25/x
  3. Step 3: Cross multiply
    15,342.75x = 28,424.25 × 28,424.25
  4. Step 4: Simplify right side
    15,342.75x = 807,937,988.06
  5. Step 5: Solve for x
    x = 807,937,988.06/15,342.75
  6. Step 6: Final answer
    x = 52,659.27

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.