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Finding the Third Proportional to 68,818.13 and 151,605.56

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Solution

The third proportional to 68,818.13 and 151,605.56 is: 333,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,818.13 : 151,605.56 = 151,605.56 : x
  2. Step 2: Convert to fraction form
    68,818.13/151,605.56 = 151,605.56/x
  3. Step 3: Cross multiply
    68,818.13x = 151,605.56 × 151,605.56
  4. Step 4: Simplify right side
    68,818.13x = 22,984,246,580.94
  5. Step 5: Solve for x
    x = 22,984,246,580.94/68,818.13
  6. Step 6: Final answer
    x = 333,985.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.