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Finding the Third Proportional to 115,182 and 154,791

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Solution

The third proportional to 115,182 and 154,791 is: 208,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182 : 154,791 = 154,791 : x
  2. Step 2: Convert to fraction form
    115,182/154,791 = 154,791/x
  3. Step 3: Cross multiply
    115,182x = 154,791 × 154,791
  4. Step 4: Simplify right side
    115,182x = 23,960,253,681
  5. Step 5: Solve for x
    x = 23,960,253,681/115,182
  6. Step 6: Final answer
    x = 208,020.82

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.