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Finding the Third Proportional to 268,231.50 and 580,020.75

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Solution

The third proportional to 268,231.50 and 580,020.75 is: 1,254,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,231.50 : 580,020.75 = 580,020.75 : x
  2. Step 2: Convert to fraction form
    268,231.50/580,020.75 = 580,020.75/x
  3. Step 3: Cross multiply
    268,231.50x = 580,020.75 × 580,020.75
  4. Step 4: Simplify right side
    268,231.50x = 336,424,070,430.56
  5. Step 5: Solve for x
    x = 336,424,070,430.56/268,231.50
  6. Step 6: Final answer
    x = 1,254,230.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.