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Finding the Third Proportional to 257,779 and 566,339

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Solution

The third proportional to 257,779 and 566,339 is: 1,244,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,779 : 566,339 = 566,339 : x
  2. Step 2: Convert to fraction form
    257,779/566,339 = 566,339/x
  3. Step 3: Cross multiply
    257,779x = 566,339 × 566,339
  4. Step 4: Simplify right side
    257,779x = 320,739,862,921
  5. Step 5: Solve for x
    x = 320,739,862,921/257,779
  6. Step 6: Final answer
    x = 1,244,243.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.