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Finding the Third Proportional to 28,508.63 and 66,067.31

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Solution

The third proportional to 28,508.63 and 66,067.31 is: 153,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.63 : 66,067.31 = 66,067.31 : x
  2. Step 2: Convert to fraction form
    28,508.63/66,067.31 = 66,067.31/x
  3. Step 3: Cross multiply
    28,508.63x = 66,067.31 × 66,067.31
  4. Step 4: Simplify right side
    28,508.63x = 4,364,889,780.97
  5. Step 5: Solve for x
    x = 4,364,889,780.97/28,508.63
  6. Step 6: Final answer
    x = 153,107.69

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.