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Finding the Third Proportional to 4,588.88 and 9,997.88

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Solution

The third proportional to 4,588.88 and 9,997.88 is: 21,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.88 : 9,997.88 = 9,997.88 : x
  2. Step 2: Convert to fraction form
    4,588.88/9,997.88 = 9,997.88/x
  3. Step 3: Cross multiply
    4,588.88x = 9,997.88 × 9,997.88
  4. Step 4: Simplify right side
    4,588.88x = 99,957,504.52
  5. Step 5: Solve for x
    x = 99,957,504.52/4,588.88
  6. Step 6: Final answer
    x = 21,782.57

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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.