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Finding the Third Proportional to 9,081 and 19,887

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Solution

The third proportional to 9,081 and 19,887 is: 43,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081 : 19,887 = 19,887 : x
  2. Step 2: Convert to fraction form
    9,081/19,887 = 19,887/x
  3. Step 3: Cross multiply
    9,081x = 19,887 × 19,887
  4. Step 4: Simplify right side
    9,081x = 395,492,769
  5. Step 5: Solve for x
    x = 395,492,769/9,081
  6. Step 6: Final answer
    x = 43,551.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.