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Finding the Third Proportional to 395,779.50 and 613,217.25

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Solution

The third proportional to 395,779.50 and 613,217.25 is: 950,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,779.50 : 613,217.25 = 613,217.25 : x
  2. Step 2: Convert to fraction form
    395,779.50/613,217.25 = 613,217.25/x
  3. Step 3: Cross multiply
    395,779.50x = 613,217.25 × 613,217.25
  4. Step 4: Simplify right side
    395,779.50x = 376,035,395,697.56
  5. Step 5: Solve for x
    x = 376,035,395,697.56/395,779.50
  6. Step 6: Final answer
    x = 950,113.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.