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Finding the Third Proportional to 4,051.31 and 6,615.19

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Solution

The third proportional to 4,051.31 and 6,615.19 is: 10,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.31 : 6,615.19 = 6,615.19 : x
  2. Step 2: Convert to fraction form
    4,051.31/6,615.19 = 6,615.19/x
  3. Step 3: Cross multiply
    4,051.31x = 6,615.19 × 6,615.19
  4. Step 4: Simplify right side
    4,051.31x = 43,760,705.66
  5. Step 5: Solve for x
    x = 43,760,705.66/4,051.31
  6. Step 6: Final answer
    x = 10,801.61

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.