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Finding the Third Proportional to 1,655.44 and 3,580.88

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Solution

The third proportional to 1,655.44 and 3,580.88 is: 7,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.44 : 3,580.88 = 3,580.88 : x
  2. Step 2: Convert to fraction form
    1,655.44/3,580.88 = 3,580.88/x
  3. Step 3: Cross multiply
    1,655.44x = 3,580.88 × 3,580.88
  4. Step 4: Simplify right side
    1,655.44x = 12,822,665.77
  5. Step 5: Solve for x
    x = 12,822,665.77/1,655.44
  6. Step 6: Final answer
    x = 7,745.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.