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Finding the Third Proportional to 74,255.48 and 100,890.56

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Solution

The third proportional to 74,255.48 and 100,890.56 is: 137,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.48 : 100,890.56 = 100,890.56 : x
  2. Step 2: Convert to fraction form
    74,255.48/100,890.56 = 100,890.56/x
  3. Step 3: Cross multiply
    74,255.48x = 100,890.56 × 100,890.56
  4. Step 4: Simplify right side
    74,255.48x = 10,178,905,601.57
  5. Step 5: Solve for x
    x = 10,178,905,601.57/74,255.48
  6. Step 6: Final answer
    x = 137,079.51

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.