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Finding the Third Proportional to 25.83 and 37.79

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Solution

The third proportional to 25.83 and 37.79 is: 55.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.83 : 37.79 = 37.79 : x
  2. Step 2: Convert to fraction form
    25.83/37.79 = 37.79/x
  3. Step 3: Cross multiply
    25.83x = 37.79 × 37.79
  4. Step 4: Simplify right side
    25.83x = 1,428.31
  5. Step 5: Solve for x
    x = 1,428.31/25.83
  6. Step 6: Final answer
    x = 55.30

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.