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Finding the Third Proportional to 56.00 and 72.14

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Solution

The third proportional to 56.00 and 72.14 is: 92.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.00 : 72.14 = 72.14 : x
  2. Step 2: Convert to fraction form
    56.00/72.14 = 72.14/x
  3. Step 3: Cross multiply
    56.00x = 72.14 × 72.14
  4. Step 4: Simplify right side
    56.00x = 5,204.27
  5. Step 5: Solve for x
    x = 5,204.27/56.00
  6. Step 6: Final answer
    x = 92.93

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.