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Finding the Third Proportional to 275,039.25 and 437,641.75

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Solution

The third proportional to 275,039.25 and 437,641.75 is: 696,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,039.25 : 437,641.75 = 437,641.75 : x
  2. Step 2: Convert to fraction form
    275,039.25/437,641.75 = 437,641.75/x
  3. Step 3: Cross multiply
    275,039.25x = 437,641.75 × 437,641.75
  4. Step 4: Simplify right side
    275,039.25x = 191,530,301,343.06
  5. Step 5: Solve for x
    x = 191,530,301,343.06/275,039.25
  6. Step 6: Final answer
    x = 696,374.43

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.