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Finding the Third Proportional to 4.71 and 11.07

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Solution

The third proportional to 4.71 and 11.07 is: 26.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.71 : 11.07 = 11.07 : x
  2. Step 2: Convert to fraction form
    4.71/11.07 = 11.07/x
  3. Step 3: Cross multiply
    4.71x = 11.07 × 11.07
  4. Step 4: Simplify right side
    4.71x = 122.55
  5. Step 5: Solve for x
    x = 122.55/4.71
  6. Step 6: Final answer
    x = 26.00

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.