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Finding the Third Proportional to 36,220.50 and 74,097

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Solution

The third proportional to 36,220.50 and 74,097 is: 151,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.50 : 74,097 = 74,097 : x
  2. Step 2: Convert to fraction form
    36,220.50/74,097 = 74,097/x
  3. Step 3: Cross multiply
    36,220.50x = 74,097 × 74,097
  4. Step 4: Simplify right side
    36,220.50x = 5,490,365,409
  5. Step 5: Solve for x
    x = 5,490,365,409/36,220.50
  6. Step 6: Final answer
    x = 151,581.71

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.