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Finding the Third Proportional to 66,323.78 and 143,150.88

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Solution

The third proportional to 66,323.78 and 143,150.88 is: 308,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,323.78 : 143,150.88 = 143,150.88 : x
  2. Step 2: Convert to fraction form
    66,323.78/143,150.88 = 143,150.88/x
  3. Step 3: Cross multiply
    66,323.78x = 143,150.88 × 143,150.88
  4. Step 4: Simplify right side
    66,323.78x = 20,492,174,096.68
  5. Step 5: Solve for x
    x = 20,492,174,096.68/66,323.78
  6. Step 6: Final answer
    x = 308,971.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.