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Finding the Third Proportional to 121,270.50 and 257,883.75

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Solution

The third proportional to 121,270.50 and 257,883.75 is: 548,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,270.50 : 257,883.75 = 257,883.75 : x
  2. Step 2: Convert to fraction form
    121,270.50/257,883.75 = 257,883.75/x
  3. Step 3: Cross multiply
    121,270.50x = 257,883.75 × 257,883.75
  4. Step 4: Simplify right side
    121,270.50x = 66,504,028,514.06
  5. Step 5: Solve for x
    x = 66,504,028,514.06/121,270.50
  6. Step 6: Final answer
    x = 548,394.11

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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.