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Finding the Third Proportional to 99,894 and 177,600

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Solution

The third proportional to 99,894 and 177,600 is: 315,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,894 : 177,600 = 177,600 : x
  2. Step 2: Convert to fraction form
    99,894/177,600 = 177,600/x
  3. Step 3: Cross multiply
    99,894x = 177,600 × 177,600
  4. Step 4: Simplify right side
    99,894x = 31,541,760,000
  5. Step 5: Solve for x
    x = 31,541,760,000/99,894
  6. Step 6: Final answer
    x = 315,752.30

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.