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Finding the Third Proportional to 84,424 and 180,146

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Solution

The third proportional to 84,424 and 180,146 is: 384,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,424 : 180,146 = 180,146 : x
  2. Step 2: Convert to fraction form
    84,424/180,146 = 180,146/x
  3. Step 3: Cross multiply
    84,424x = 180,146 × 180,146
  4. Step 4: Simplify right side
    84,424x = 32,452,581,316
  5. Step 5: Solve for x
    x = 32,452,581,316/84,424
  6. Step 6: Final answer
    x = 384,399.95

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.