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Finding the Third Proportional to 66,118 and 100,725.75

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Solution

The third proportional to 66,118 and 100,725.75 is: 153,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118 : 100,725.75 = 100,725.75 : x
  2. Step 2: Convert to fraction form
    66,118/100,725.75 = 100,725.75/x
  3. Step 3: Cross multiply
    66,118x = 100,725.75 × 100,725.75
  4. Step 4: Simplify right side
    66,118x = 10,145,676,713.06
  5. Step 5: Solve for x
    x = 10,145,676,713.06/66,118
  6. Step 6: Final answer
    x = 153,448.03

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.