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Finding the Third Proportional to 66,027 and 142,576.50

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Solution

The third proportional to 66,027 and 142,576.50 is: 307,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027 : 142,576.50 = 142,576.50 : x
  2. Step 2: Convert to fraction form
    66,027/142,576.50 = 142,576.50/x
  3. Step 3: Cross multiply
    66,027x = 142,576.50 × 142,576.50
  4. Step 4: Simplify right side
    66,027x = 20,328,058,352.25
  5. Step 5: Solve for x
    x = 20,328,058,352.25/66,027
  6. Step 6: Final answer
    x = 307,874.94

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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.