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Finding the Third Proportional to 4,226.63 and 9,089.72

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Solution

The third proportional to 4,226.63 and 9,089.72 is: 19,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.63 : 9,089.72 = 9,089.72 : x
  2. Step 2: Convert to fraction form
    4,226.63/9,089.72 = 9,089.72/x
  3. Step 3: Cross multiply
    4,226.63x = 9,089.72 × 9,089.72
  4. Step 4: Simplify right side
    4,226.63x = 82,622,986.95
  5. Step 5: Solve for x
    x = 82,622,986.95/4,226.63
  6. Step 6: Final answer
    x = 19,548.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.