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Finding the Third Proportional to 69,636 and 106,086

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Solution

The third proportional to 69,636 and 106,086 is: 161,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636 : 106,086 = 106,086 : x
  2. Step 2: Convert to fraction form
    69,636/106,086 = 106,086/x
  3. Step 3: Cross multiply
    69,636x = 106,086 × 106,086
  4. Step 4: Simplify right side
    69,636x = 11,254,239,396
  5. Step 5: Solve for x
    x = 11,254,239,396/69,636
  6. Step 6: Final answer
    x = 161,615.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.