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Finding the Third Proportional to 503.44 and 758.81

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Solution

The third proportional to 503.44 and 758.81 is: 1,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.44 : 758.81 = 758.81 : x
  2. Step 2: Convert to fraction form
    503.44/758.81 = 758.81/x
  3. Step 3: Cross multiply
    503.44x = 758.81 × 758.81
  4. Step 4: Simplify right side
    503.44x = 575,796.41
  5. Step 5: Solve for x
    x = 575,796.41/503.44
  6. Step 6: Final answer
    x = 1,143.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.