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Finding the Third Proportional to 154,209.50 and 230,034.50

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Solution

The third proportional to 154,209.50 and 230,034.50 is: 343,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,209.50 : 230,034.50 = 230,034.50 : x
  2. Step 2: Convert to fraction form
    154,209.50/230,034.50 = 230,034.50/x
  3. Step 3: Cross multiply
    154,209.50x = 230,034.50 × 230,034.50
  4. Step 4: Simplify right side
    154,209.50x = 52,915,871,190.25
  5. Step 5: Solve for x
    x = 52,915,871,190.25/154,209.50
  6. Step 6: Final answer
    x = 343,142.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.