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Finding the Third Proportional to 110,854 and 171,999

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Solution

The third proportional to 110,854 and 171,999 is: 266,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,854 : 171,999 = 171,999 : x
  2. Step 2: Convert to fraction form
    110,854/171,999 = 171,999/x
  3. Step 3: Cross multiply
    110,854x = 171,999 × 171,999
  4. Step 4: Simplify right side
    110,854x = 29,583,656,001
  5. Step 5: Solve for x
    x = 29,583,656,001/110,854
  6. Step 6: Final answer
    x = 266,870.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.