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Finding the Third Proportional to 4,348 and 7,064

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Solution

The third proportional to 4,348 and 7,064 is: 11,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,348 : 7,064 = 7,064 : x
  2. Step 2: Convert to fraction form
    4,348/7,064 = 7,064/x
  3. Step 3: Cross multiply
    4,348x = 7,064 × 7,064
  4. Step 4: Simplify right side
    4,348x = 49,900,096
  5. Step 5: Solve for x
    x = 49,900,096/4,348
  6. Step 6: Final answer
    x = 11,476.56

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.