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Finding the Third Proportional to 20,465,687.81 and 30,667,002.47

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Solution

The third proportional to 20,465,687.81 and 30,667,002.47 is: 45,953,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,465,687.81 : 30,667,002.47 = 30,667,002.47 : x
  2. Step 2: Convert to fraction form
    20,465,687.81/30,667,002.47 = 30,667,002.47/x
  3. Step 3: Cross multiply
    20,465,687.81x = 30,667,002.47 × 30,667,002.47
  4. Step 4: Simplify right side
    20,465,687.81x = 940,465,040,418,318.62
  5. Step 5: Solve for x
    x = 940,465,040,418,318.62/20,465,687.81
  6. Step 6: Final answer
    x = 45,953,258.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.