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Finding the Third Proportional to 243.75 and 504

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Solution

The third proportional to 243.75 and 504 is: 1,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.75 : 504 = 504 : x
  2. Step 2: Convert to fraction form
    243.75/504 = 504/x
  3. Step 3: Cross multiply
    243.75x = 504 × 504
  4. Step 4: Simplify right side
    243.75x = 254,016
  5. Step 5: Solve for x
    x = 254,016/243.75
  6. Step 6: Final answer
    x = 1,042.12

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.