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Finding the Third Proportional to 54,445.50 and 131,091.75

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Solution

The third proportional to 54,445.50 and 131,091.75 is: 315,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.50 : 131,091.75 = 131,091.75 : x
  2. Step 2: Convert to fraction form
    54,445.50/131,091.75 = 131,091.75/x
  3. Step 3: Cross multiply
    54,445.50x = 131,091.75 × 131,091.75
  4. Step 4: Simplify right side
    54,445.50x = 17,185,046,918.06
  5. Step 5: Solve for x
    x = 17,185,046,918.06/54,445.50
  6. Step 6: Final answer
    x = 315,637.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.