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Finding the Third Proportional to 28,181.25 and 43,331.63

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Solution

The third proportional to 28,181.25 and 43,331.63 is: 66,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.25 : 43,331.63 = 43,331.63 : x
  2. Step 2: Convert to fraction form
    28,181.25/43,331.63 = 43,331.63/x
  3. Step 3: Cross multiply
    28,181.25x = 43,331.63 × 43,331.63
  4. Step 4: Simplify right side
    28,181.25x = 1,877,629,725.14
  5. Step 5: Solve for x
    x = 1,877,629,725.14/28,181.25
  6. Step 6: Final answer
    x = 66,626.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.