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Finding the Third Proportional to 25.04 and 54.36

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Solution

The third proportional to 25.04 and 54.36 is: 118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.04 : 54.36 = 54.36 : x
  2. Step 2: Convert to fraction form
    25.04/54.36 = 54.36/x
  3. Step 3: Cross multiply
    25.04x = 54.36 × 54.36
  4. Step 4: Simplify right side
    25.04x = 2,955.37
  5. Step 5: Solve for x
    x = 2,955.37/25.04
  6. Step 6: Final answer
    x = 118.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.