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Finding the Third Proportional to 5,777.50 and 8,581

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Solution

The third proportional to 5,777.50 and 8,581 is: 12,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.50 : 8,581 = 8,581 : x
  2. Step 2: Convert to fraction form
    5,777.50/8,581 = 8,581/x
  3. Step 3: Cross multiply
    5,777.50x = 8,581 × 8,581
  4. Step 4: Simplify right side
    5,777.50x = 73,633,561
  5. Step 5: Solve for x
    x = 73,633,561/5,777.50
  6. Step 6: Final answer
    x = 12,744.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.