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Finding the Third Proportional to 516.88 and 744.94

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Solution

The third proportional to 516.88 and 744.94 is: 1,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.88 : 744.94 = 744.94 : x
  2. Step 2: Convert to fraction form
    516.88/744.94 = 744.94/x
  3. Step 3: Cross multiply
    516.88x = 744.94 × 744.94
  4. Step 4: Simplify right side
    516.88x = 554,931.88
  5. Step 5: Solve for x
    x = 554,931.88/516.88
  6. Step 6: Final answer
    x = 1,073.63

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.