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Finding the Third Proportional to 351.75 and 753.94

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Solution

The third proportional to 351.75 and 753.94 is: 1,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.75 : 753.94 = 753.94 : x
  2. Step 2: Convert to fraction form
    351.75/753.94 = 753.94/x
  3. Step 3: Cross multiply
    351.75x = 753.94 × 753.94
  4. Step 4: Simplify right side
    351.75x = 568,421.75
  5. Step 5: Solve for x
    x = 568,421.75/351.75
  6. Step 6: Final answer
    x = 1,615.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.