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Finding the Third Proportional to 416,862 and 879,660

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Solution

The third proportional to 416,862 and 879,660 is: 1,856,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,862 : 879,660 = 879,660 : x
  2. Step 2: Convert to fraction form
    416,862/879,660 = 879,660/x
  3. Step 3: Cross multiply
    416,862x = 879,660 × 879,660
  4. Step 4: Simplify right side
    416,862x = 773,801,715,600
  5. Step 5: Solve for x
    x = 773,801,715,600/416,862
  6. Step 6: Final answer
    x = 1,856,253.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.