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Finding the Third Proportional to 13,551.05 and 21,558.66

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Solution

The third proportional to 13,551.05 and 21,558.66 is: 34,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.05 : 21,558.66 = 21,558.66 : x
  2. Step 2: Convert to fraction form
    13,551.05/21,558.66 = 21,558.66/x
  3. Step 3: Cross multiply
    13,551.05x = 21,558.66 × 21,558.66
  4. Step 4: Simplify right side
    13,551.05x = 464,775,659.31
  5. Step 5: Solve for x
    x = 464,775,659.31/13,551.05
  6. Step 6: Final answer
    x = 34,298.14

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.