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Finding the Third Proportional to 51,168.50 and 107,639

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Solution

The third proportional to 51,168.50 and 107,639 is: 226,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168.50 : 107,639 = 107,639 : x
  2. Step 2: Convert to fraction form
    51,168.50/107,639 = 107,639/x
  3. Step 3: Cross multiply
    51,168.50x = 107,639 × 107,639
  4. Step 4: Simplify right side
    51,168.50x = 11,586,154,321
  5. Step 5: Solve for x
    x = 11,586,154,321/51,168.50
  6. Step 6: Final answer
    x = 226,431.38

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.