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Finding the Third Proportional to 84,736 and 180,740

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Solution

The third proportional to 84,736 and 180,740 is: 385,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736 : 180,740 = 180,740 : x
  2. Step 2: Convert to fraction form
    84,736/180,740 = 180,740/x
  3. Step 3: Cross multiply
    84,736x = 180,740 × 180,740
  4. Step 4: Simplify right side
    84,736x = 32,666,947,600
  5. Step 5: Solve for x
    x = 32,666,947,600/84,736
  6. Step 6: Final answer
    x = 385,514.39

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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.