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Finding the Third Proportional to 344,779 and 758,678

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Solution

The third proportional to 344,779 and 758,678 is: 1,669,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,779 : 758,678 = 758,678 : x
  2. Step 2: Convert to fraction form
    344,779/758,678 = 758,678/x
  3. Step 3: Cross multiply
    344,779x = 758,678 × 758,678
  4. Step 4: Simplify right side
    344,779x = 575,592,307,684
  5. Step 5: Solve for x
    x = 575,592,307,684/344,779
  6. Step 6: Final answer
    x = 1,669,452.92

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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.