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Finding the Third Proportional to 1,177.03 and 1,199.81

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Solution

The third proportional to 1,177.03 and 1,199.81 is: 1,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.03 : 1,199.81 = 1,199.81 : x
  2. Step 2: Convert to fraction form
    1,177.03/1,199.81 = 1,199.81/x
  3. Step 3: Cross multiply
    1,177.03x = 1,199.81 × 1,199.81
  4. Step 4: Simplify right side
    1,177.03x = 1,439,550.04
  5. Step 5: Solve for x
    x = 1,439,550.04/1,177.03
  6. Step 6: Final answer
    x = 1,223.03

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Why These Related Problems?

These problems maintain the same ratio (1.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.