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Finding the Third Proportional to 3,600.56 and 5,621.06

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Solution

The third proportional to 3,600.56 and 5,621.06 is: 8,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.56 : 5,621.06 = 5,621.06 : x
  2. Step 2: Convert to fraction form
    3,600.56/5,621.06 = 5,621.06/x
  3. Step 3: Cross multiply
    3,600.56x = 5,621.06 × 5,621.06
  4. Step 4: Simplify right side
    3,600.56x = 31,596,343.63
  5. Step 5: Solve for x
    x = 31,596,343.63/3,600.56
  6. Step 6: Final answer
    x = 8,775.39

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.