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Finding the Third Proportional to 5,981 and 8,561.50

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Solution

The third proportional to 5,981 and 8,561.50 is: 12,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981 : 8,561.50 = 8,561.50 : x
  2. Step 2: Convert to fraction form
    5,981/8,561.50 = 8,561.50/x
  3. Step 3: Cross multiply
    5,981x = 8,561.50 × 8,561.50
  4. Step 4: Simplify right side
    5,981x = 73,299,282.25
  5. Step 5: Solve for x
    x = 73,299,282.25/5,981
  6. Step 6: Final answer
    x = 12,255.36

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.