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Finding the Third Proportional to 5,285.94 and 11,513.63

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Solution

The third proportional to 5,285.94 and 11,513.63 is: 25,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.94 : 11,513.63 = 11,513.63 : x
  2. Step 2: Convert to fraction form
    5,285.94/11,513.63 = 11,513.63/x
  3. Step 3: Cross multiply
    5,285.94x = 11,513.63 × 11,513.63
  4. Step 4: Simplify right side
    5,285.94x = 132,563,560.64
  5. Step 5: Solve for x
    x = 132,563,560.64/5,285.94
  6. Step 6: Final answer
    x = 25,078.53

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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.