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Finding the Third Proportional to 107,581 and 165,908

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Solution

The third proportional to 107,581 and 165,908 is: 255,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,581 : 165,908 = 165,908 : x
  2. Step 2: Convert to fraction form
    107,581/165,908 = 165,908/x
  3. Step 3: Cross multiply
    107,581x = 165,908 × 165,908
  4. Step 4: Simplify right side
    107,581x = 27,525,464,464
  5. Step 5: Solve for x
    x = 27,525,464,464/107,581
  6. Step 6: Final answer
    x = 255,858.05

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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.