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Finding the Third Proportional to 3,890,328 and 6,250,661

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Solution

The third proportional to 3,890,328 and 6,250,661 is: 10,043,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,328 : 6,250,661 = 6,250,661 : x
  2. Step 2: Convert to fraction form
    3,890,328/6,250,661 = 6,250,661/x
  3. Step 3: Cross multiply
    3,890,328x = 6,250,661 × 6,250,661
  4. Step 4: Simplify right side
    3,890,328x = 39,070,762,936,921
  5. Step 5: Solve for x
    x = 39,070,762,936,921/3,890,328
  6. Step 6: Final answer
    x = 10,043,051.11

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.