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Finding the Third Proportional to 26.50 and 45.63

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Solution

The third proportional to 26.50 and 45.63 is: 78.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.50 : 45.63 = 45.63 : x
  2. Step 2: Convert to fraction form
    26.50/45.63 = 45.63/x
  3. Step 3: Cross multiply
    26.50x = 45.63 × 45.63
  4. Step 4: Simplify right side
    26.50x = 2,081.64
  5. Step 5: Solve for x
    x = 2,081.64/26.50
  6. Step 6: Final answer
    x = 78.55

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.