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Finding the Third Proportional to 3,525,917 and 7,638,729

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Solution

The third proportional to 3,525,917 and 7,638,729 is: 16,548,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,917 : 7,638,729 = 7,638,729 : x
  2. Step 2: Convert to fraction form
    3,525,917/7,638,729 = 7,638,729/x
  3. Step 3: Cross multiply
    3,525,917x = 7,638,729 × 7,638,729
  4. Step 4: Simplify right side
    3,525,917x = 58,350,180,735,441
  5. Step 5: Solve for x
    x = 58,350,180,735,441/3,525,917
  6. Step 6: Final answer
    x = 16,548,937.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.