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Finding the Third Proportional to 137,623.50 and 203,880

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Solution

The third proportional to 137,623.50 and 203,880 is: 302,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,623.50 : 203,880 = 203,880 : x
  2. Step 2: Convert to fraction form
    137,623.50/203,880 = 203,880/x
  3. Step 3: Cross multiply
    137,623.50x = 203,880 × 203,880
  4. Step 4: Simplify right side
    137,623.50x = 41,567,054,400
  5. Step 5: Solve for x
    x = 41,567,054,400/137,623.50
  6. Step 6: Final answer
    x = 302,034.57

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.