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Finding the Third Proportional to 22.50 and 33

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Solution

The third proportional to 22.50 and 33 is: 48.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.50 : 33 = 33 : x
  2. Step 2: Convert to fraction form
    22.50/33 = 33/x
  3. Step 3: Cross multiply
    22.50x = 33 × 33
  4. Step 4: Simplify right side
    22.50x = 1,089
  5. Step 5: Solve for x
    x = 1,089/22.50
  6. Step 6: Final answer
    x = 48.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.