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Finding the Third Proportional to 631,208 and 887,836

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Solution

The third proportional to 631,208 and 887,836 is: 1,248,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,208 : 887,836 = 887,836 : x
  2. Step 2: Convert to fraction form
    631,208/887,836 = 887,836/x
  3. Step 3: Cross multiply
    631,208x = 887,836 × 887,836
  4. Step 4: Simplify right side
    631,208x = 788,252,762,896
  5. Step 5: Solve for x
    x = 788,252,762,896/631,208
  6. Step 6: Final answer
    x = 1,248,800.34

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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.