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Finding the Third Proportional to 10.47 and 25.94

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Solution

The third proportional to 10.47 and 25.94 is: 64.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.47 : 25.94 = 25.94 : x
  2. Step 2: Convert to fraction form
    10.47/25.94 = 25.94/x
  3. Step 3: Cross multiply
    10.47x = 25.94 × 25.94
  4. Step 4: Simplify right side
    10.47x = 672.75
  5. Step 5: Solve for x
    x = 672.75/10.47
  6. Step 6: Final answer
    x = 64.26

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.