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Finding the Third Proportional to 13,808.81 and 21,252.38

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Solution

The third proportional to 13,808.81 and 21,252.38 is: 32,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.81 : 21,252.38 = 21,252.38 : x
  2. Step 2: Convert to fraction form
    13,808.81/21,252.38 = 21,252.38/x
  3. Step 3: Cross multiply
    13,808.81x = 21,252.38 × 21,252.38
  4. Step 4: Simplify right side
    13,808.81x = 451,663,443.14
  5. Step 5: Solve for x
    x = 451,663,443.14/13,808.81
  6. Step 6: Final answer
    x = 32,708.35

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.