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Finding the Third Proportional to 53,581.50 and 115,377.75

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Solution

The third proportional to 53,581.50 and 115,377.75 is: 248,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,581.50 : 115,377.75 = 115,377.75 : x
  2. Step 2: Convert to fraction form
    53,581.50/115,377.75 = 115,377.75/x
  3. Step 3: Cross multiply
    53,581.50x = 115,377.75 × 115,377.75
  4. Step 4: Simplify right side
    53,581.50x = 13,312,025,195.06
  5. Step 5: Solve for x
    x = 13,312,025,195.06/53,581.50
  6. Step 6: Final answer
    x = 248,444.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.