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Finding the Third Proportional to 631,154 and 887,763

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Solution

The third proportional to 631,154 and 887,763 is: 1,248,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,154 : 887,763 = 887,763 : x
  2. Step 2: Convert to fraction form
    631,154/887,763 = 887,763/x
  3. Step 3: Cross multiply
    631,154x = 887,763 × 887,763
  4. Step 4: Simplify right side
    631,154x = 788,123,144,169
  5. Step 5: Solve for x
    x = 788,123,144,169/631,154
  6. Step 6: Final answer
    x = 1,248,701.81

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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.