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Finding the Third Proportional to 3,508,985 and 5,289,398

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Solution

The third proportional to 3,508,985 and 5,289,398 is: 7,973,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508,985 : 5,289,398 = 5,289,398 : x
  2. Step 2: Convert to fraction form
    3,508,985/5,289,398 = 5,289,398/x
  3. Step 3: Cross multiply
    3,508,985x = 5,289,398 × 5,289,398
  4. Step 4: Simplify right side
    3,508,985x = 27,977,731,202,404
  5. Step 5: Solve for x
    x = 27,977,731,202,404/3,508,985
  6. Step 6: Final answer
    x = 7,973,169.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.