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Finding the Third Proportional to 259,989.75 and 569,612.25

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Solution

The third proportional to 259,989.75 and 569,612.25 is: 1,247,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,989.75 : 569,612.25 = 569,612.25 : x
  2. Step 2: Convert to fraction form
    259,989.75/569,612.25 = 569,612.25/x
  3. Step 3: Cross multiply
    259,989.75x = 569,612.25 × 569,612.25
  4. Step 4: Simplify right side
    259,989.75x = 324,458,115,350.06
  5. Step 5: Solve for x
    x = 324,458,115,350.06/259,989.75
  6. Step 6: Final answer
    x = 1,247,965.03

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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.