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Finding the Third Proportional to 131,103 and 199,071

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Solution

The third proportional to 131,103 and 199,071 is: 302,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,103 : 199,071 = 199,071 : x
  2. Step 2: Convert to fraction form
    131,103/199,071 = 199,071/x
  3. Step 3: Cross multiply
    131,103x = 199,071 × 199,071
  4. Step 4: Simplify right side
    131,103x = 39,629,263,041
  5. Step 5: Solve for x
    x = 39,629,263,041/131,103
  6. Step 6: Final answer
    x = 302,275.79

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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.