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Finding the Third Proportional to 247,558.50 and 353,121.75

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Solution

The third proportional to 247,558.50 and 353,121.75 is: 503,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,558.50 : 353,121.75 = 353,121.75 : x
  2. Step 2: Convert to fraction form
    247,558.50/353,121.75 = 353,121.75/x
  3. Step 3: Cross multiply
    247,558.50x = 353,121.75 × 353,121.75
  4. Step 4: Simplify right side
    247,558.50x = 124,694,970,323.06
  5. Step 5: Solve for x
    x = 124,694,970,323.06/247,558.50
  6. Step 6: Final answer
    x = 503,699.01

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.