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Finding the Third Proportional to 49,953.38 and 106,991.63

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Solution

The third proportional to 49,953.38 and 106,991.63 is: 229,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.38 : 106,991.63 = 106,991.63 : x
  2. Step 2: Convert to fraction form
    49,953.38/106,991.63 = 106,991.63/x
  3. Step 3: Cross multiply
    49,953.38x = 106,991.63 × 106,991.63
  4. Step 4: Simplify right side
    49,953.38x = 11,447,207,820.14
  5. Step 5: Solve for x
    x = 11,447,207,820.14/49,953.38
  6. Step 6: Final answer
    x = 229,157.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.