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Finding the Third Proportional to 4,516.50 and 9,924

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Solution

The third proportional to 4,516.50 and 9,924 is: 21,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.50 : 9,924 = 9,924 : x
  2. Step 2: Convert to fraction form
    4,516.50/9,924 = 9,924/x
  3. Step 3: Cross multiply
    4,516.50x = 9,924 × 9,924
  4. Step 4: Simplify right side
    4,516.50x = 98,485,776
  5. Step 5: Solve for x
    x = 98,485,776/4,516.50
  6. Step 6: Final answer
    x = 21,805.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.