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Finding the Third Proportional to 47,222 and 66,022

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Solution

The third proportional to 47,222 and 66,022 is: 92,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,222 : 66,022 = 66,022 : x
  2. Step 2: Convert to fraction form
    47,222/66,022 = 66,022/x
  3. Step 3: Cross multiply
    47,222x = 66,022 × 66,022
  4. Step 4: Simplify right side
    47,222x = 4,358,904,484
  5. Step 5: Solve for x
    x = 4,358,904,484/47,222
  6. Step 6: Final answer
    x = 92,306.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.