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Finding the Third Proportional to 406,908 and 883,868

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Solution

The third proportional to 406,908 and 883,868 is: 1,919,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,908 : 883,868 = 883,868 : x
  2. Step 2: Convert to fraction form
    406,908/883,868 = 883,868/x
  3. Step 3: Cross multiply
    406,908x = 883,868 × 883,868
  4. Step 4: Simplify right side
    406,908x = 781,222,641,424
  5. Step 5: Solve for x
    x = 781,222,641,424/406,908
  6. Step 6: Final answer
    x = 1,919,899.93

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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.