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Finding the Third Proportional to 66,727.75 and 146,824.25

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Solution

The third proportional to 66,727.75 and 146,824.25 is: 323,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727.75 : 146,824.25 = 146,824.25 : x
  2. Step 2: Convert to fraction form
    66,727.75/146,824.25 = 146,824.25/x
  3. Step 3: Cross multiply
    66,727.75x = 146,824.25 × 146,824.25
  4. Step 4: Simplify right side
    66,727.75x = 21,557,360,388.06
  5. Step 5: Solve for x
    x = 21,557,360,388.06/66,727.75
  6. Step 6: Final answer
    x = 323,064.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.