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Finding the Third Proportional to 158,510.25 and 330,112.13

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Solution

The third proportional to 158,510.25 and 330,112.13 is: 687,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,510.25 : 330,112.13 = 330,112.13 : x
  2. Step 2: Convert to fraction form
    158,510.25/330,112.13 = 330,112.13/x
  3. Step 3: Cross multiply
    158,510.25x = 330,112.13 × 330,112.13
  4. Step 4: Simplify right side
    158,510.25x = 108,974,015,072.02
  5. Step 5: Solve for x
    x = 108,974,015,072.02/158,510.25
  6. Step 6: Final answer
    x = 687,488.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.