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Finding the Third Proportional to 13,455 and 29,331.56

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Solution

The third proportional to 13,455 and 29,331.56 is: 63,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455 : 29,331.56 = 29,331.56 : x
  2. Step 2: Convert to fraction form
    13,455/29,331.56 = 29,331.56/x
  3. Step 3: Cross multiply
    13,455x = 29,331.56 × 29,331.56
  4. Step 4: Simplify right side
    13,455x = 860,340,558.69
  5. Step 5: Solve for x
    x = 860,340,558.69/13,455
  6. Step 6: Final answer
    x = 63,942.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.