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Finding the Third Proportional to 137,056.50 and 205,584.75

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Solution

The third proportional to 137,056.50 and 205,584.75 is: 308,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,056.50 : 205,584.75 = 205,584.75 : x
  2. Step 2: Convert to fraction form
    137,056.50/205,584.75 = 205,584.75/x
  3. Step 3: Cross multiply
    137,056.50x = 205,584.75 × 205,584.75
  4. Step 4: Simplify right side
    137,056.50x = 42,265,089,432.56
  5. Step 5: Solve for x
    x = 42,265,089,432.56/137,056.50
  6. Step 6: Final answer
    x = 308,377.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.