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Finding the Third Proportional to 121,168 and 185,988

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Solution

The third proportional to 121,168 and 185,988 is: 285,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168 : 185,988 = 185,988 : x
  2. Step 2: Convert to fraction form
    121,168/185,988 = 185,988/x
  3. Step 3: Cross multiply
    121,168x = 185,988 × 185,988
  4. Step 4: Simplify right side
    121,168x = 34,591,536,144
  5. Step 5: Solve for x
    x = 34,591,536,144/121,168
  6. Step 6: Final answer
    x = 285,484.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.