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Finding the Third Proportional to 3,457.50 and 5,339

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Solution

The third proportional to 3,457.50 and 5,339 is: 8,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.50 : 5,339 = 5,339 : x
  2. Step 2: Convert to fraction form
    3,457.50/5,339 = 5,339/x
  3. Step 3: Cross multiply
    3,457.50x = 5,339 × 5,339
  4. Step 4: Simplify right side
    3,457.50x = 28,504,921
  5. Step 5: Solve for x
    x = 28,504,921/3,457.50
  6. Step 6: Final answer
    x = 8,244.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.