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Finding the Third Proportional to 17,418.75 and 37,631.75

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Solution

The third proportional to 17,418.75 and 37,631.75 is: 81,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.75 : 37,631.75 = 37,631.75 : x
  2. Step 2: Convert to fraction form
    17,418.75/37,631.75 = 37,631.75/x
  3. Step 3: Cross multiply
    17,418.75x = 37,631.75 × 37,631.75
  4. Step 4: Simplify right side
    17,418.75x = 1,416,148,608.06
  5. Step 5: Solve for x
    x = 1,416,148,608.06/17,418.75
  6. Step 6: Final answer
    x = 81,300.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.