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Finding the Third Proportional to 110,912 and 155,224

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Solution

The third proportional to 110,912 and 155,224 is: 217,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,912 : 155,224 = 155,224 : x
  2. Step 2: Convert to fraction form
    110,912/155,224 = 155,224/x
  3. Step 3: Cross multiply
    110,912x = 155,224 × 155,224
  4. Step 4: Simplify right side
    110,912x = 24,094,490,176
  5. Step 5: Solve for x
    x = 24,094,490,176/110,912
  6. Step 6: Final answer
    x = 217,239.71

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.