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Finding the Third Proportional to 147,291.75 and 225,220.50

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Solution

The third proportional to 147,291.75 and 225,220.50 is: 344,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,291.75 : 225,220.50 = 225,220.50 : x
  2. Step 2: Convert to fraction form
    147,291.75/225,220.50 = 225,220.50/x
  3. Step 3: Cross multiply
    147,291.75x = 225,220.50 × 225,220.50
  4. Step 4: Simplify right side
    147,291.75x = 50,724,273,620.25
  5. Step 5: Solve for x
    x = 50,724,273,620.25/147,291.75
  6. Step 6: Final answer
    x = 344,379.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.