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Finding the Third Proportional to 82,027.50 and 178,284

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Solution

The third proportional to 82,027.50 and 178,284 is: 387,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,027.50 : 178,284 = 178,284 : x
  2. Step 2: Convert to fraction form
    82,027.50/178,284 = 178,284/x
  3. Step 3: Cross multiply
    82,027.50x = 178,284 × 178,284
  4. Step 4: Simplify right side
    82,027.50x = 31,785,184,656
  5. Step 5: Solve for x
    x = 31,785,184,656/82,027.50
  6. Step 6: Final answer
    x = 387,494.25

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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.