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Finding the Third Proportional to 66,549.38 and 144,164.25

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Solution

The third proportional to 66,549.38 and 144,164.25 is: 312,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,549.38 : 144,164.25 = 144,164.25 : x
  2. Step 2: Convert to fraction form
    66,549.38/144,164.25 = 144,164.25/x
  3. Step 3: Cross multiply
    66,549.38x = 144,164.25 × 144,164.25
  4. Step 4: Simplify right side
    66,549.38x = 20,783,330,978.06
  5. Step 5: Solve for x
    x = 20,783,330,978.06/66,549.38
  6. Step 6: Final answer
    x = 312,299.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.