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Finding the Third Proportional to 6,458.48 and 14,185.60

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Solution

The third proportional to 6,458.48 and 14,185.60 is: 31,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.48 : 14,185.60 = 14,185.60 : x
  2. Step 2: Convert to fraction form
    6,458.48/14,185.60 = 14,185.60/x
  3. Step 3: Cross multiply
    6,458.48x = 14,185.60 × 14,185.60
  4. Step 4: Simplify right side
    6,458.48x = 201,231,236.28
  5. Step 5: Solve for x
    x = 201,231,236.28/6,458.48
  6. Step 6: Final answer
    x = 31,157.66

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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.