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Finding the Third Proportional to 33,999.75 and 74,565

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Solution

The third proportional to 33,999.75 and 74,565 is: 163,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.75 : 74,565 = 74,565 : x
  2. Step 2: Convert to fraction form
    33,999.75/74,565 = 74,565/x
  3. Step 3: Cross multiply
    33,999.75x = 74,565 × 74,565
  4. Step 4: Simplify right side
    33,999.75x = 5,559,939,225
  5. Step 5: Solve for x
    x = 5,559,939,225/33,999.75
  6. Step 6: Final answer
    x = 163,528.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.