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Finding the Third Proportional to 350.47 and 756.53

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Solution

The third proportional to 350.47 and 756.53 is: 1,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.47 : 756.53 = 756.53 : x
  2. Step 2: Convert to fraction form
    350.47/756.53 = 756.53/x
  3. Step 3: Cross multiply
    350.47x = 756.53 × 756.53
  4. Step 4: Simplify right side
    350.47x = 572,333.62
  5. Step 5: Solve for x
    x = 572,333.62/350.47
  6. Step 6: Final answer
    x = 1,633.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.