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Finding the Third Proportional to 122,908.50 and 186,927

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Solution

The third proportional to 122,908.50 and 186,927 is: 284,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908.50 : 186,927 = 186,927 : x
  2. Step 2: Convert to fraction form
    122,908.50/186,927 = 186,927/x
  3. Step 3: Cross multiply
    122,908.50x = 186,927 × 186,927
  4. Step 4: Simplify right side
    122,908.50x = 34,941,703,329
  5. Step 5: Solve for x
    x = 34,941,703,329/122,908.50
  6. Step 6: Final answer
    x = 284,290.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.