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Finding the Third Proportional to 631,204 and 887,830

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Solution

The third proportional to 631,204 and 887,830 is: 1,248,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,204 : 887,830 = 887,830 : x
  2. Step 2: Convert to fraction form
    631,204/887,830 = 887,830/x
  3. Step 3: Cross multiply
    631,204x = 887,830 × 887,830
  4. Step 4: Simplify right side
    631,204x = 788,242,108,900
  5. Step 5: Solve for x
    x = 788,242,108,900/631,204
  6. Step 6: Final answer
    x = 1,248,791.37

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.