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Finding the Third Proportional to 344.50 and 499.25

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Solution

The third proportional to 344.50 and 499.25 is: 723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.50 : 499.25 = 499.25 : x
  2. Step 2: Convert to fraction form
    344.50/499.25 = 499.25/x
  3. Step 3: Cross multiply
    344.50x = 499.25 × 499.25
  4. Step 4: Simplify right side
    344.50x = 249,250.56
  5. Step 5: Solve for x
    x = 249,250.56/344.50
  6. Step 6: Final answer
    x = 723.51

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.