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Finding the Third Proportional to 679,422 and 1,480,919.25

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Solution

The third proportional to 679,422 and 1,480,919.25 is: 3,227,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,422 : 1,480,919.25 = 1,480,919.25 : x
  2. Step 2: Convert to fraction form
    679,422/1,480,919.25 = 1,480,919.25/x
  3. Step 3: Cross multiply
    679,422x = 1,480,919.25 × 1,480,919.25
  4. Step 4: Simplify right side
    679,422x = 2,193,121,825,020.56
  5. Step 5: Solve for x
    x = 2,193,121,825,020.56/679,422
  6. Step 6: Final answer
    x = 3,227,922.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.