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Finding the Third Proportional to 55,299 and 85,113

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Solution

The third proportional to 55,299 and 85,113 is: 131,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299 : 85,113 = 85,113 : x
  2. Step 2: Convert to fraction form
    55,299/85,113 = 85,113/x
  3. Step 3: Cross multiply
    55,299x = 85,113 × 85,113
  4. Step 4: Simplify right side
    55,299x = 7,244,222,769
  5. Step 5: Solve for x
    x = 7,244,222,769/55,299
  6. Step 6: Final answer
    x = 131,000.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.