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Finding the Third Proportional to 38,961.50 and 84,565

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Solution

The third proportional to 38,961.50 and 84,565 is: 183,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.50 : 84,565 = 84,565 : x
  2. Step 2: Convert to fraction form
    38,961.50/84,565 = 84,565/x
  3. Step 3: Cross multiply
    38,961.50x = 84,565 × 84,565
  4. Step 4: Simplify right side
    38,961.50x = 7,151,239,225
  5. Step 5: Solve for x
    x = 7,151,239,225/38,961.50
  6. Step 6: Final answer
    x = 183,546.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.