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Finding the Third Proportional to 296.44 and 516.38

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Solution

The third proportional to 296.44 and 516.38 is: 899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.44 : 516.38 = 516.38 : x
  2. Step 2: Convert to fraction form
    296.44/516.38 = 516.38/x
  3. Step 3: Cross multiply
    296.44x = 516.38 × 516.38
  4. Step 4: Simplify right side
    296.44x = 266,643.14
  5. Step 5: Solve for x
    x = 266,643.14/296.44
  6. Step 6: Final answer
    x = 899.49

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.