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Finding the Third Proportional to 4,226.34 and 9,316.69

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Solution

The third proportional to 4,226.34 and 9,316.69 is: 20,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.34 : 9,316.69 = 9,316.69 : x
  2. Step 2: Convert to fraction form
    4,226.34/9,316.69 = 9,316.69/x
  3. Step 3: Cross multiply
    4,226.34x = 9,316.69 × 9,316.69
  4. Step 4: Simplify right side
    4,226.34x = 86,800,665.97
  5. Step 5: Solve for x
    x = 86,800,665.97/4,226.34
  6. Step 6: Final answer
    x = 20,538.00

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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.