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Finding the Third Proportional to 9,330.50 and 20,165.50

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Solution

The third proportional to 9,330.50 and 20,165.50 is: 43,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.50 : 20,165.50 = 20,165.50 : x
  2. Step 2: Convert to fraction form
    9,330.50/20,165.50 = 20,165.50/x
  3. Step 3: Cross multiply
    9,330.50x = 20,165.50 × 20,165.50
  4. Step 4: Simplify right side
    9,330.50x = 406,647,390.25
  5. Step 5: Solve for x
    x = 406,647,390.25/9,330.50
  6. Step 6: Final answer
    x = 43,582.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.