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Finding the Third Proportional to 66.66 and 97.03

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Solution

The third proportional to 66.66 and 97.03 is: 141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.66 : 97.03 = 97.03 : x
  2. Step 2: Convert to fraction form
    66.66/97.03 = 97.03/x
  3. Step 3: Cross multiply
    66.66x = 97.03 × 97.03
  4. Step 4: Simplify right side
    66.66x = 9,415.06
  5. Step 5: Solve for x
    x = 9,415.06/66.66
  6. Step 6: Final answer
    x = 141.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.