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Finding the Third Proportional to 9,199.13 and 19,856.25

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Solution

The third proportional to 9,199.13 and 19,856.25 is: 42,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.13 : 19,856.25 = 19,856.25 : x
  2. Step 2: Convert to fraction form
    9,199.13/19,856.25 = 19,856.25/x
  3. Step 3: Cross multiply
    9,199.13x = 19,856.25 × 19,856.25
  4. Step 4: Simplify right side
    9,199.13x = 394,270,664.06
  5. Step 5: Solve for x
    x = 394,270,664.06/9,199.13
  6. Step 6: Final answer
    x = 42,859.58

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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.