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Finding the Third Proportional to 815,472 and 1,259,568

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Solution

The third proportional to 815,472 and 1,259,568 is: 1,945,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,472 : 1,259,568 = 1,259,568 : x
  2. Step 2: Convert to fraction form
    815,472/1,259,568 = 1,259,568/x
  3. Step 3: Cross multiply
    815,472x = 1,259,568 × 1,259,568
  4. Step 4: Simplify right side
    815,472x = 1,586,511,546,624
  5. Step 5: Solve for x
    x = 1,586,511,546,624/815,472
  6. Step 6: Final answer
    x = 1,945,513.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.