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Finding the Third Proportional to 3,015.40 and 6,644.32

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Solution

The third proportional to 3,015.40 and 6,644.32 is: 14,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.40 : 6,644.32 = 6,644.32 : x
  2. Step 2: Convert to fraction form
    3,015.40/6,644.32 = 6,644.32/x
  3. Step 3: Cross multiply
    3,015.40x = 6,644.32 × 6,644.32
  4. Step 4: Simplify right side
    3,015.40x = 44,146,992.42
  5. Step 5: Solve for x
    x = 44,146,992.42/3,015.40
  6. Step 6: Final answer
    x = 14,640.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.