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Finding the Third Proportional to 453,258.38 and 679,887.38

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Solution

The third proportional to 453,258.38 and 679,887.38 is: 1,019,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,258.38 : 679,887.38 = 679,887.38 : x
  2. Step 2: Convert to fraction form
    453,258.38/679,887.38 = 679,887.38/x
  3. Step 3: Cross multiply
    453,258.38x = 679,887.38 × 679,887.38
  4. Step 4: Simplify right side
    453,258.38x = 462,246,842,684.39
  5. Step 5: Solve for x
    x = 462,246,842,684.39/453,258.38
  6. Step 6: Final answer
    x = 1,019,830.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.