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Finding the Third Proportional to 109,245.50 and 238,350.38

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Solution

The third proportional to 109,245.50 and 238,350.38 is: 520,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.50 : 238,350.38 = 238,350.38 : x
  2. Step 2: Convert to fraction form
    109,245.50/238,350.38 = 238,350.38/x
  3. Step 3: Cross multiply
    109,245.50x = 238,350.38 × 238,350.38
  4. Step 4: Simplify right side
    109,245.50x = 56,810,901,262.64
  5. Step 5: Solve for x
    x = 56,810,901,262.64/109,245.50
  6. Step 6: Final answer
    x = 520,029.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.