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Finding the Third Proportional to 99,748 and 166,236

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Solution

The third proportional to 99,748 and 166,236 is: 277,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,748 : 166,236 = 166,236 : x
  2. Step 2: Convert to fraction form
    99,748/166,236 = 166,236/x
  3. Step 3: Cross multiply
    99,748x = 166,236 × 166,236
  4. Step 4: Simplify right side
    99,748x = 27,634,407,696
  5. Step 5: Solve for x
    x = 27,634,407,696/99,748
  6. Step 6: Final answer
    x = 277,042.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.