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Finding the Third Proportional to 84,926 and 179,972

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Solution

The third proportional to 84,926 and 179,972 is: 381,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926 : 179,972 = 179,972 : x
  2. Step 2: Convert to fraction form
    84,926/179,972 = 179,972/x
  3. Step 3: Cross multiply
    84,926x = 179,972 × 179,972
  4. Step 4: Simplify right side
    84,926x = 32,389,920,784
  5. Step 5: Solve for x
    x = 32,389,920,784/84,926
  6. Step 6: Final answer
    x = 381,389.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.