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Finding the Third Proportional to 31,812,620 and 50,454,867

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Solution

The third proportional to 31,812,620 and 50,454,867 is: 80,021,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812,620 : 50,454,867 = 50,454,867 : x
  2. Step 2: Convert to fraction form
    31,812,620/50,454,867 = 50,454,867/x
  3. Step 3: Cross multiply
    31,812,620x = 50,454,867 × 50,454,867
  4. Step 4: Simplify right side
    31,812,620x = 2,545,693,603,987,689
  5. Step 5: Solve for x
    x = 2,545,693,603,987,689/31,812,620
  6. Step 6: Final answer
    x = 80,021,501.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.