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Finding the Third Proportional to 3,090.66 and 6,644.53

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Solution

The third proportional to 3,090.66 and 6,644.53 is: 14,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.66 : 6,644.53 = 6,644.53 : x
  2. Step 2: Convert to fraction form
    3,090.66/6,644.53 = 6,644.53/x
  3. Step 3: Cross multiply
    3,090.66x = 6,644.53 × 6,644.53
  4. Step 4: Simplify right side
    3,090.66x = 44,149,795.53
  5. Step 5: Solve for x
    x = 44,149,795.53/3,090.66
  6. Step 6: Final answer
    x = 14,284.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.