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Finding the Third Proportional to 1,366,812 and 2,172,285

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Solution

The third proportional to 1,366,812 and 2,172,285 is: 3,452,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,812 : 2,172,285 = 2,172,285 : x
  2. Step 2: Convert to fraction form
    1,366,812/2,172,285 = 2,172,285/x
  3. Step 3: Cross multiply
    1,366,812x = 2,172,285 × 2,172,285
  4. Step 4: Simplify right side
    1,366,812x = 4,718,822,121,225
  5. Step 5: Solve for x
    x = 4,718,822,121,225/1,366,812
  6. Step 6: Final answer
    x = 3,452,429.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.