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Finding the Third Proportional to 131,611.50 and 206,246.25

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Solution

The third proportional to 131,611.50 and 206,246.25 is: 323,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611.50 : 206,246.25 = 206,246.25 : x
  2. Step 2: Convert to fraction form
    131,611.50/206,246.25 = 206,246.25/x
  3. Step 3: Cross multiply
    131,611.50x = 206,246.25 × 206,246.25
  4. Step 4: Simplify right side
    131,611.50x = 42,537,515,639.06
  5. Step 5: Solve for x
    x = 42,537,515,639.06/131,611.50
  6. Step 6: Final answer
    x = 323,205.16

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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.