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Finding the Third Proportional to 3,192,704.72 and 4,784,386.78

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Solution

The third proportional to 3,192,704.72 and 4,784,386.78 is: 7,169,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,704.72 : 4,784,386.78 = 4,784,386.78 : x
  2. Step 2: Convert to fraction form
    3,192,704.72/4,784,386.78 = 4,784,386.78/x
  3. Step 3: Cross multiply
    3,192,704.72x = 4,784,386.78 × 4,784,386.78
  4. Step 4: Simplify right side
    3,192,704.72x = 22,890,356,872,599.73
  5. Step 5: Solve for x
    x = 22,890,356,872,599.73/3,192,704.72
  6. Step 6: Final answer
    x = 7,169,581.56

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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.