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Finding the Third Proportional to 84,784 and 179,017

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Solution

The third proportional to 84,784 and 179,017 is: 377,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,784 : 179,017 = 179,017 : x
  2. Step 2: Convert to fraction form
    84,784/179,017 = 179,017/x
  3. Step 3: Cross multiply
    84,784x = 179,017 × 179,017
  4. Step 4: Simplify right side
    84,784x = 32,047,086,289
  5. Step 5: Solve for x
    x = 32,047,086,289/84,784
  6. Step 6: Final answer
    x = 377,985.07

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.