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Finding the Third Proportional to 25 and 37.63

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Solution

The third proportional to 25 and 37.63 is: 56.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25 : 37.63 = 37.63 : x
  2. Step 2: Convert to fraction form
    25/37.63 = 37.63/x
  3. Step 3: Cross multiply
    25x = 37.63 × 37.63
  4. Step 4: Simplify right side
    25x = 1,415.64
  5. Step 5: Solve for x
    x = 1,415.64/25
  6. Step 6: Final answer
    x = 56.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.