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Finding the Third Proportional to 554.34 and 1,199.81

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Solution

The third proportional to 554.34 and 1,199.81 is: 2,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.34 : 1,199.81 = 1,199.81 : x
  2. Step 2: Convert to fraction form
    554.34/1,199.81 = 1,199.81/x
  3. Step 3: Cross multiply
    554.34x = 1,199.81 × 1,199.81
  4. Step 4: Simplify right side
    554.34x = 1,439,550.04
  5. Step 5: Solve for x
    x = 1,439,550.04/554.34
  6. Step 6: Final answer
    x = 2,596.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.