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Finding the Third Proportional to 110,387 and 174,869

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Solution

The third proportional to 110,387 and 174,869 is: 277,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,387 : 174,869 = 174,869 : x
  2. Step 2: Convert to fraction form
    110,387/174,869 = 174,869/x
  3. Step 3: Cross multiply
    110,387x = 174,869 × 174,869
  4. Step 4: Simplify right side
    110,387x = 30,579,167,161
  5. Step 5: Solve for x
    x = 30,579,167,161/110,387
  6. Step 6: Final answer
    x = 277,017.83

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.