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Finding the Third Proportional to 722.06 and 1,119.84

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Solution

The third proportional to 722.06 and 1,119.84 is: 1,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.06 : 1,119.84 = 1,119.84 : x
  2. Step 2: Convert to fraction form
    722.06/1,119.84 = 1,119.84/x
  3. Step 3: Cross multiply
    722.06x = 1,119.84 × 1,119.84
  4. Step 4: Simplify right side
    722.06x = 1,254,050.02
  5. Step 5: Solve for x
    x = 1,254,050.02/722.06
  6. Step 6: Final answer
    x = 1,736.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.