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Finding the Third Proportional to 722.53 and 852.19

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Solution

The third proportional to 722.53 and 852.19 is: 1,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.53 : 852.19 = 852.19 : x
  2. Step 2: Convert to fraction form
    722.53/852.19 = 852.19/x
  3. Step 3: Cross multiply
    722.53x = 852.19 × 852.19
  4. Step 4: Simplify right side
    722.53x = 726,223.54
  5. Step 5: Solve for x
    x = 726,223.54/722.53
  6. Step 6: Final answer
    x = 1,005.11

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.