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Finding the Third Proportional to 744.75 and 1,063.13

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Solution

The third proportional to 744.75 and 1,063.13 is: 1,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.75 : 1,063.13 = 1,063.13 : x
  2. Step 2: Convert to fraction form
    744.75/1,063.13 = 1,063.13/x
  3. Step 3: Cross multiply
    744.75x = 1,063.13 × 1,063.13
  4. Step 4: Simplify right side
    744.75x = 1,130,234.77
  5. Step 5: Solve for x
    x = 1,130,234.77/744.75
  6. Step 6: Final answer
    x = 1,517.60

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.