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Finding the Third Proportional to 367,132.50 and 778,308.75

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Solution

The third proportional to 367,132.50 and 778,308.75 is: 1,649,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,132.50 : 778,308.75 = 778,308.75 : x
  2. Step 2: Convert to fraction form
    367,132.50/778,308.75 = 778,308.75/x
  3. Step 3: Cross multiply
    367,132.50x = 778,308.75 × 778,308.75
  4. Step 4: Simplify right side
    367,132.50x = 605,764,510,326.56
  5. Step 5: Solve for x
    x = 605,764,510,326.56/367,132.50
  6. Step 6: Final answer
    x = 1,649,988.79

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.