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Finding the Third Proportional to 239,937.75 and 365,089.50

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Solution

The third proportional to 239,937.75 and 365,089.50 is: 555,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,937.75 : 365,089.50 = 365,089.50 : x
  2. Step 2: Convert to fraction form
    239,937.75/365,089.50 = 365,089.50/x
  3. Step 3: Cross multiply
    239,937.75x = 365,089.50 × 365,089.50
  4. Step 4: Simplify right side
    239,937.75x = 133,290,343,010.25
  5. Step 5: Solve for x
    x = 133,290,343,010.25/239,937.75
  6. Step 6: Final answer
    x = 555,520.52

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.