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Finding the Third Proportional to 1,920.38 and 3,477.94

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Solution

The third proportional to 1,920.38 and 3,477.94 is: 6,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.38 : 3,477.94 = 3,477.94 : x
  2. Step 2: Convert to fraction form
    1,920.38/3,477.94 = 3,477.94/x
  3. Step 3: Cross multiply
    1,920.38x = 3,477.94 × 3,477.94
  4. Step 4: Simplify right side
    1,920.38x = 12,096,049.25
  5. Step 5: Solve for x
    x = 12,096,049.25/1,920.38
  6. Step 6: Final answer
    x = 6,298.80

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.