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Finding the Third Proportional to 262,779 and 576,427

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Solution

The third proportional to 262,779 and 576,427 is: 1,264,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,779 : 576,427 = 576,427 : x
  2. Step 2: Convert to fraction form
    262,779/576,427 = 576,427/x
  3. Step 3: Cross multiply
    262,779x = 576,427 × 576,427
  4. Step 4: Simplify right side
    262,779x = 332,268,086,329
  5. Step 5: Solve for x
    x = 332,268,086,329/262,779
  6. Step 6: Final answer
    x = 1,264,439.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.