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Finding the Third Proportional to 89,219.75 and 131,364.75

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Solution

The third proportional to 89,219.75 and 131,364.75 is: 193,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,219.75 : 131,364.75 = 131,364.75 : x
  2. Step 2: Convert to fraction form
    89,219.75/131,364.75 = 131,364.75/x
  3. Step 3: Cross multiply
    89,219.75x = 131,364.75 × 131,364.75
  4. Step 4: Simplify right side
    89,219.75x = 17,256,697,542.56
  5. Step 5: Solve for x
    x = 17,256,697,542.56/89,219.75
  6. Step 6: Final answer
    x = 193,417.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.