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Finding the Third Proportional to 84,670.50 and 181,005

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Solution

The third proportional to 84,670.50 and 181,005 is: 386,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,670.50 : 181,005 = 181,005 : x
  2. Step 2: Convert to fraction form
    84,670.50/181,005 = 181,005/x
  3. Step 3: Cross multiply
    84,670.50x = 181,005 × 181,005
  4. Step 4: Simplify right side
    84,670.50x = 32,762,810,025
  5. Step 5: Solve for x
    x = 32,762,810,025/84,670.50
  6. Step 6: Final answer
    x = 386,944.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.