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Finding the Third Proportional to 3,640,277 and 7,899,331

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Solution

The third proportional to 3,640,277 and 7,899,331 is: 17,141,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,277 : 7,899,331 = 7,899,331 : x
  2. Step 2: Convert to fraction form
    3,640,277/7,899,331 = 7,899,331/x
  3. Step 3: Cross multiply
    3,640,277x = 7,899,331 × 7,899,331
  4. Step 4: Simplify right side
    3,640,277x = 62,399,430,247,561
  5. Step 5: Solve for x
    x = 62,399,430,247,561/3,640,277
  6. Step 6: Final answer
    x = 17,141,396.18

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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.