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Finding the Third Proportional to 8,172.56 and 17,263.13

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Solution

The third proportional to 8,172.56 and 17,263.13 is: 36,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.56 : 17,263.13 = 17,263.13 : x
  2. Step 2: Convert to fraction form
    8,172.56/17,263.13 = 17,263.13/x
  3. Step 3: Cross multiply
    8,172.56x = 17,263.13 × 17,263.13
  4. Step 4: Simplify right side
    8,172.56x = 298,015,484.77
  5. Step 5: Solve for x
    x = 298,015,484.77/8,172.56
  6. Step 6: Final answer
    x = 36,465.37

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.