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Finding the Third Proportional to 161,557.50 and 268,324.50

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Solution

The third proportional to 161,557.50 and 268,324.50 is: 445,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,557.50 : 268,324.50 = 268,324.50 : x
  2. Step 2: Convert to fraction form
    161,557.50/268,324.50 = 268,324.50/x
  3. Step 3: Cross multiply
    161,557.50x = 268,324.50 × 268,324.50
  4. Step 4: Simplify right side
    161,557.50x = 71,998,037,300.25
  5. Step 5: Solve for x
    x = 71,998,037,300.25/161,557.50
  6. Step 6: Final answer
    x = 445,649.61

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.