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Finding the Third Proportional to 3,911.50 and 5,703

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Solution

The third proportional to 3,911.50 and 5,703 is: 8,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.50 : 5,703 = 5,703 : x
  2. Step 2: Convert to fraction form
    3,911.50/5,703 = 5,703/x
  3. Step 3: Cross multiply
    3,911.50x = 5,703 × 5,703
  4. Step 4: Simplify right side
    3,911.50x = 32,524,209
  5. Step 5: Solve for x
    x = 32,524,209/3,911.50
  6. Step 6: Final answer
    x = 8,315.02

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.