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Finding the Third Proportional to 161,500.50 and 247,899

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Solution

The third proportional to 161,500.50 and 247,899 is: 380,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,500.50 : 247,899 = 247,899 : x
  2. Step 2: Convert to fraction form
    161,500.50/247,899 = 247,899/x
  3. Step 3: Cross multiply
    161,500.50x = 247,899 × 247,899
  4. Step 4: Simplify right side
    161,500.50x = 61,453,914,201
  5. Step 5: Solve for x
    x = 61,453,914,201/161,500.50
  6. Step 6: Final answer
    x = 380,518.41

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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.