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Finding the Third Proportional to 9,169.45 and 19,637.44

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Solution

The third proportional to 9,169.45 and 19,637.44 is: 42,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.45 : 19,637.44 = 19,637.44 : x
  2. Step 2: Convert to fraction form
    9,169.45/19,637.44 = 19,637.44/x
  3. Step 3: Cross multiply
    9,169.45x = 19,637.44 × 19,637.44
  4. Step 4: Simplify right side
    9,169.45x = 385,628,951.57
  5. Step 5: Solve for x
    x = 385,628,951.57/9,169.45
  6. Step 6: Final answer
    x = 42,055.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.