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Finding the Third Proportional to 84,226 and 180,120

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Solution

The third proportional to 84,226 and 180,120 is: 385,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,226 : 180,120 = 180,120 : x
  2. Step 2: Convert to fraction form
    84,226/180,120 = 180,120/x
  3. Step 3: Cross multiply
    84,226x = 180,120 × 180,120
  4. Step 4: Simplify right side
    84,226x = 32,443,214,400
  5. Step 5: Solve for x
    x = 32,443,214,400/84,226
  6. Step 6: Final answer
    x = 385,192.39

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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.