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Finding the Third Proportional to 8,942.20 and 19,268.30

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Solution

The third proportional to 8,942.20 and 19,268.30 is: 41,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.20 : 19,268.30 = 19,268.30 : x
  2. Step 2: Convert to fraction form
    8,942.20/19,268.30 = 19,268.30/x
  3. Step 3: Cross multiply
    8,942.20x = 19,268.30 × 19,268.30
  4. Step 4: Simplify right side
    8,942.20x = 371,267,264.46
  5. Step 5: Solve for x
    x = 371,267,264.46/8,942.20
  6. Step 6: Final answer
    x = 41,518.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.