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Finding the Third Proportional to 599.25 and 655.50

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Solution

The third proportional to 599.25 and 655.50 is: 717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.25 : 655.50 = 655.50 : x
  2. Step 2: Convert to fraction form
    599.25/655.50 = 655.50/x
  3. Step 3: Cross multiply
    599.25x = 655.50 × 655.50
  4. Step 4: Simplify right side
    599.25x = 429,680.25
  5. Step 5: Solve for x
    x = 429,680.25/599.25
  6. Step 6: Final answer
    x = 717.03

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.