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Finding the Third Proportional to 631,242 and 887,889

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Solution

The third proportional to 631,242 and 887,889 is: 1,248,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,242 : 887,889 = 887,889 : x
  2. Step 2: Convert to fraction form
    631,242/887,889 = 887,889/x
  3. Step 3: Cross multiply
    631,242x = 887,889 × 887,889
  4. Step 4: Simplify right side
    631,242x = 788,346,876,321
  5. Step 5: Solve for x
    x = 788,346,876,321/631,242
  6. Step 6: Final answer
    x = 1,248,882.17

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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.