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Finding the Third Proportional to 135,323.25 and 210,350.50

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Solution

The third proportional to 135,323.25 and 210,350.50 is: 326,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,323.25 : 210,350.50 = 210,350.50 : x
  2. Step 2: Convert to fraction form
    135,323.25/210,350.50 = 210,350.50/x
  3. Step 3: Cross multiply
    135,323.25x = 210,350.50 × 210,350.50
  4. Step 4: Simplify right side
    135,323.25x = 44,247,332,850.25
  5. Step 5: Solve for x
    x = 44,247,332,850.25/135,323.25
  6. Step 6: Final answer
    x = 326,975.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.