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Finding the Third Proportional to 327,779 and 715,133

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Solution

The third proportional to 327,779 and 715,133 is: 1,560,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,779 : 715,133 = 715,133 : x
  2. Step 2: Convert to fraction form
    327,779/715,133 = 715,133/x
  3. Step 3: Cross multiply
    327,779x = 715,133 × 715,133
  4. Step 4: Simplify right side
    327,779x = 511,415,207,689
  5. Step 5: Solve for x
    x = 511,415,207,689/327,779
  6. Step 6: Final answer
    x = 1,560,243.97

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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.