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Finding the Third Proportional to 84,570.75 and 183,721.50

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Solution

The third proportional to 84,570.75 and 183,721.50 is: 399,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570.75 : 183,721.50 = 183,721.50 : x
  2. Step 2: Convert to fraction form
    84,570.75/183,721.50 = 183,721.50/x
  3. Step 3: Cross multiply
    84,570.75x = 183,721.50 × 183,721.50
  4. Step 4: Simplify right side
    84,570.75x = 33,753,589,562.25
  5. Step 5: Solve for x
    x = 33,753,589,562.25/84,570.75
  6. Step 6: Final answer
    x = 399,116.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.