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Finding the Third Proportional to 154,632.50 and 239,431.50

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Solution

The third proportional to 154,632.50 and 239,431.50 is: 370,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,632.50 : 239,431.50 = 239,431.50 : x
  2. Step 2: Convert to fraction form
    154,632.50/239,431.50 = 239,431.50/x
  3. Step 3: Cross multiply
    154,632.50x = 239,431.50 × 239,431.50
  4. Step 4: Simplify right side
    154,632.50x = 57,327,443,192.25
  5. Step 5: Solve for x
    x = 57,327,443,192.25/154,632.50
  6. Step 6: Final answer
    x = 370,733.47

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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.