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Finding the Third Proportional to 84,609 and 180,477

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Solution

The third proportional to 84,609 and 180,477 is: 384,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,609 : 180,477 = 180,477 : x
  2. Step 2: Convert to fraction form
    84,609/180,477 = 180,477/x
  3. Step 3: Cross multiply
    84,609x = 180,477 × 180,477
  4. Step 4: Simplify right side
    84,609x = 32,571,947,529
  5. Step 5: Solve for x
    x = 32,571,947,529/84,609
  6. Step 6: Final answer
    x = 384,970.25

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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.