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Finding the Third Proportional to 7,370 and 8,174

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Solution

The third proportional to 7,370 and 8,174 is: 9,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370 : 8,174 = 8,174 : x
  2. Step 2: Convert to fraction form
    7,370/8,174 = 8,174/x
  3. Step 3: Cross multiply
    7,370x = 8,174 × 8,174
  4. Step 4: Simplify right side
    7,370x = 66,814,276
  5. Step 5: Solve for x
    x = 66,814,276/7,370
  6. Step 6: Final answer
    x = 9,065.71

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.