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Finding the Third Proportional to 84,153.94 and 140,248.13

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Solution

The third proportional to 84,153.94 and 140,248.13 is: 233,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,153.94 : 140,248.13 = 140,248.13 : x
  2. Step 2: Convert to fraction form
    84,153.94/140,248.13 = 140,248.13/x
  3. Step 3: Cross multiply
    84,153.94x = 140,248.13 × 140,248.13
  4. Step 4: Simplify right side
    84,153.94x = 19,669,536,566.02
  5. Step 5: Solve for x
    x = 19,669,536,566.02/84,153.94
  6. Step 6: Final answer
    x = 233,732.81

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.