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Finding the Third Proportional to 19,855.13 and 25,283.81

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Solution

The third proportional to 19,855.13 and 25,283.81 is: 32,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.13 : 25,283.81 = 25,283.81 : x
  2. Step 2: Convert to fraction form
    19,855.13/25,283.81 = 25,283.81/x
  3. Step 3: Cross multiply
    19,855.13x = 25,283.81 × 25,283.81
  4. Step 4: Simplify right side
    19,855.13x = 639,271,174.54
  5. Step 5: Solve for x
    x = 639,271,174.54/19,855.13
  6. Step 6: Final answer
    x = 32,196.78

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.