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Finding the Third Proportional to 43,085.25 and 66,210.75

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Solution

The third proportional to 43,085.25 and 66,210.75 is: 101,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.25 : 66,210.75 = 66,210.75 : x
  2. Step 2: Convert to fraction form
    43,085.25/66,210.75 = 66,210.75/x
  3. Step 3: Cross multiply
    43,085.25x = 66,210.75 × 66,210.75
  4. Step 4: Simplify right side
    43,085.25x = 4,383,863,415.56
  5. Step 5: Solve for x
    x = 4,383,863,415.56/43,085.25
  6. Step 6: Final answer
    x = 101,748.59

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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.