Home / 338,977,892.25-479,785,335.75

Finding the Third Proportional to 338,977,892.25 and 479,785,335.75

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Solution

The third proportional to 338,977,892.25 and 479,785,335.75 is: 679,082,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,977,892.25 : 479,785,335.75 = 479,785,335.75 : x
  2. Step 2: Convert to fraction form
    338,977,892.25/479,785,335.75 = 479,785,335.75/x
  3. Step 3: Cross multiply
    338,977,892.25x = 479,785,335.75 × 479,785,335.75
  4. Step 4: Simplify right side
    338,977,892.25x = 230,193,968,400,740,224
  5. Step 5: Solve for x
    x = 230,193,968,400,740,224/338,977,892.25
  6. Step 6: Final answer
    x = 679,082,540.97

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.