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Finding the Third Proportional to 7,064 and 9,176

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Solution

The third proportional to 7,064 and 9,176 is: 11,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064 : 9,176 = 9,176 : x
  2. Step 2: Convert to fraction form
    7,064/9,176 = 9,176/x
  3. Step 3: Cross multiply
    7,064x = 9,176 × 9,176
  4. Step 4: Simplify right side
    7,064x = 84,198,976
  5. Step 5: Solve for x
    x = 84,198,976/7,064
  6. Step 6: Final answer
    x = 11,919.45

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.