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Finding the Third Proportional to 147,052.50 and 219,991.50

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Solution

The third proportional to 147,052.50 and 219,991.50 is: 329,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,052.50 : 219,991.50 = 219,991.50 : x
  2. Step 2: Convert to fraction form
    147,052.50/219,991.50 = 219,991.50/x
  3. Step 3: Cross multiply
    147,052.50x = 219,991.50 × 219,991.50
  4. Step 4: Simplify right side
    147,052.50x = 48,396,260,072.25
  5. Step 5: Solve for x
    x = 48,396,260,072.25/147,052.50
  6. Step 6: Final answer
    x = 329,108.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.