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Finding the Third Proportional to 131,302.75 and 205,759.13

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Solution

The third proportional to 131,302.75 and 205,759.13 is: 322,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,302.75 : 205,759.13 = 205,759.13 : x
  2. Step 2: Convert to fraction form
    131,302.75/205,759.13 = 205,759.13/x
  3. Step 3: Cross multiply
    131,302.75x = 205,759.13 × 205,759.13
  4. Step 4: Simplify right side
    131,302.75x = 42,336,817,520.77
  5. Step 5: Solve for x
    x = 42,336,817,520.77/131,302.75
  6. Step 6: Final answer
    x = 322,436.64

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.