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Finding the Third Proportional to 3,552,210 and 5,416,731

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Solution

The third proportional to 3,552,210 and 5,416,731 is: 8,259,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,210 : 5,416,731 = 5,416,731 : x
  2. Step 2: Convert to fraction form
    3,552,210/5,416,731 = 5,416,731/x
  3. Step 3: Cross multiply
    3,552,210x = 5,416,731 × 5,416,731
  4. Step 4: Simplify right side
    3,552,210x = 29,340,974,726,361
  5. Step 5: Solve for x
    x = 29,340,974,726,361/3,552,210
  6. Step 6: Final answer
    x = 8,259,921.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.