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Finding the Third Proportional to 87,981.75 and 193,461.75

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Solution

The third proportional to 87,981.75 and 193,461.75 is: 425,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,981.75 : 193,461.75 = 193,461.75 : x
  2. Step 2: Convert to fraction form
    87,981.75/193,461.75 = 193,461.75/x
  3. Step 3: Cross multiply
    87,981.75x = 193,461.75 × 193,461.75
  4. Step 4: Simplify right side
    87,981.75x = 37,427,448,713.06
  5. Step 5: Solve for x
    x = 37,427,448,713.06/87,981.75
  6. Step 6: Final answer
    x = 425,400.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.