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Finding the Third Proportional to 20,351.25 and 30,304.13

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Solution

The third proportional to 20,351.25 and 30,304.13 is: 45,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.25 : 30,304.13 = 30,304.13 : x
  2. Step 2: Convert to fraction form
    20,351.25/30,304.13 = 30,304.13/x
  3. Step 3: Cross multiply
    20,351.25x = 30,304.13 × 30,304.13
  4. Step 4: Simplify right side
    20,351.25x = 918,339,992.02
  5. Step 5: Solve for x
    x = 918,339,992.02/20,351.25
  6. Step 6: Final answer
    x = 45,124.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.