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Finding the Third Proportional to 84,728 and 167,329.50

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Solution

The third proportional to 84,728 and 167,329.50 is: 330,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728 : 167,329.50 = 167,329.50 : x
  2. Step 2: Convert to fraction form
    84,728/167,329.50 = 167,329.50/x
  3. Step 3: Cross multiply
    84,728x = 167,329.50 × 167,329.50
  4. Step 4: Simplify right side
    84,728x = 27,999,161,570.25
  5. Step 5: Solve for x
    x = 27,999,161,570.25/84,728
  6. Step 6: Final answer
    x = 330,459.37

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.