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Finding the Third Proportional to 75,296.50 and 100,381.50

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Solution

The third proportional to 75,296.50 and 100,381.50 is: 133,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.50 : 100,381.50 = 100,381.50 : x
  2. Step 2: Convert to fraction form
    75,296.50/100,381.50 = 100,381.50/x
  3. Step 3: Cross multiply
    75,296.50x = 100,381.50 × 100,381.50
  4. Step 4: Simplify right side
    75,296.50x = 10,076,445,542.25
  5. Step 5: Solve for x
    x = 10,076,445,542.25/75,296.50
  6. Step 6: Final answer
    x = 133,823.56

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.