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Finding the Third Proportional to 9,811.13 and 21,252.38

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Solution

The third proportional to 9,811.13 and 21,252.38 is: 46,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.13 : 21,252.38 = 21,252.38 : x
  2. Step 2: Convert to fraction form
    9,811.13/21,252.38 = 21,252.38/x
  3. Step 3: Cross multiply
    9,811.13x = 21,252.38 × 21,252.38
  4. Step 4: Simplify right side
    9,811.13x = 451,663,443.14
  5. Step 5: Solve for x
    x = 451,663,443.14/9,811.13
  6. Step 6: Final answer
    x = 46,035.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.