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Finding the Third Proportional to 84,636 and 180,935

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Solution

The third proportional to 84,636 and 180,935 is: 386,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,636 : 180,935 = 180,935 : x
  2. Step 2: Convert to fraction form
    84,636/180,935 = 180,935/x
  3. Step 3: Cross multiply
    84,636x = 180,935 × 180,935
  4. Step 4: Simplify right side
    84,636x = 32,737,474,225
  5. Step 5: Solve for x
    x = 32,737,474,225/84,636
  6. Step 6: Final answer
    x = 386,803.18

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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.