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Finding the Third Proportional to 5,600 and 8,072

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Solution

The third proportional to 5,600 and 8,072 is: 11,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600 : 8,072 = 8,072 : x
  2. Step 2: Convert to fraction form
    5,600/8,072 = 8,072/x
  3. Step 3: Cross multiply
    5,600x = 8,072 × 8,072
  4. Step 4: Simplify right side
    5,600x = 65,157,184
  5. Step 5: Solve for x
    x = 65,157,184/5,600
  6. Step 6: Final answer
    x = 11,635.21

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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.