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Finding the Third Proportional to 8,768.25 and 13,415.63

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Solution

The third proportional to 8,768.25 and 13,415.63 is: 20,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.25 : 13,415.63 = 13,415.63 : x
  2. Step 2: Convert to fraction form
    8,768.25/13,415.63 = 13,415.63/x
  3. Step 3: Cross multiply
    8,768.25x = 13,415.63 × 13,415.63
  4. Step 4: Simplify right side
    8,768.25x = 179,978,994.14
  5. Step 5: Solve for x
    x = 179,978,994.14/8,768.25
  6. Step 6: Final answer
    x = 20,526.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.