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Finding the Third Proportional to 411,832 and 902,396

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Solution

The third proportional to 411,832 and 902,396 is: 1,977,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,832 : 902,396 = 902,396 : x
  2. Step 2: Convert to fraction form
    411,832/902,396 = 902,396/x
  3. Step 3: Cross multiply
    411,832x = 902,396 × 902,396
  4. Step 4: Simplify right side
    411,832x = 814,318,540,816
  5. Step 5: Solve for x
    x = 814,318,540,816/411,832
  6. Step 6: Final answer
    x = 1,977,307.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.