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Finding the Third Proportional to 84,634.50 and 180,235

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Solution

The third proportional to 84,634.50 and 180,235 is: 383,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.50 : 180,235 = 180,235 : x
  2. Step 2: Convert to fraction form
    84,634.50/180,235 = 180,235/x
  3. Step 3: Cross multiply
    84,634.50x = 180,235 × 180,235
  4. Step 4: Simplify right side
    84,634.50x = 32,484,655,225
  5. Step 5: Solve for x
    x = 32,484,655,225/84,634.50
  6. Step 6: Final answer
    x = 383,822.85

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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.