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Finding the Third Proportional to 631,240 and 887,886

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Solution

The third proportional to 631,240 and 887,886 is: 1,248,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,240 : 887,886 = 887,886 : x
  2. Step 2: Convert to fraction form
    631,240/887,886 = 887,886/x
  3. Step 3: Cross multiply
    631,240x = 887,886 × 887,886
  4. Step 4: Simplify right side
    631,240x = 788,341,548,996
  5. Step 5: Solve for x
    x = 788,341,548,996/631,240
  6. Step 6: Final answer
    x = 1,248,877.68

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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.