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Finding the Third Proportional to 5,321 and 8,056

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Solution

The third proportional to 5,321 and 8,056 is: 12,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321 : 8,056 = 8,056 : x
  2. Step 2: Convert to fraction form
    5,321/8,056 = 8,056/x
  3. Step 3: Cross multiply
    5,321x = 8,056 × 8,056
  4. Step 4: Simplify right side
    5,321x = 64,899,136
  5. Step 5: Solve for x
    x = 64,899,136/5,321
  6. Step 6: Final answer
    x = 12,196.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.