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Finding the Third Proportional to 3,801,330 and 7,872,121.69

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Solution

The third proportional to 3,801,330 and 7,872,121.69 is: 16,302,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801,330 : 7,872,121.69 = 7,872,121.69 : x
  2. Step 2: Convert to fraction form
    3,801,330/7,872,121.69 = 7,872,121.69/x
  3. Step 3: Cross multiply
    3,801,330x = 7,872,121.69 × 7,872,121.69
  4. Step 4: Simplify right side
    3,801,330x = 61,970,299,862,807.84
  5. Step 5: Solve for x
    x = 61,970,299,862,807.84/3,801,330
  6. Step 6: Final answer
    x = 16,302,267.85

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.