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Finding the Third Proportional to 4,318.50 and 5,697

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Solution

The third proportional to 4,318.50 and 5,697 is: 7,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.50 : 5,697 = 5,697 : x
  2. Step 2: Convert to fraction form
    4,318.50/5,697 = 5,697/x
  3. Step 3: Cross multiply
    4,318.50x = 5,697 × 5,697
  4. Step 4: Simplify right side
    4,318.50x = 32,455,809
  5. Step 5: Solve for x
    x = 32,455,809/4,318.50
  6. Step 6: Final answer
    x = 7,515.53

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.