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Finding the Third Proportional to 8,601 and 13,021.50

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Solution

The third proportional to 8,601 and 13,021.50 is: 19,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601 : 13,021.50 = 13,021.50 : x
  2. Step 2: Convert to fraction form
    8,601/13,021.50 = 13,021.50/x
  3. Step 3: Cross multiply
    8,601x = 13,021.50 × 13,021.50
  4. Step 4: Simplify right side
    8,601x = 169,559,462.25
  5. Step 5: Solve for x
    x = 169,559,462.25/8,601
  6. Step 6: Final answer
    x = 19,713.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.