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Finding the Third Proportional to 70,607 and 108,165

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Solution

The third proportional to 70,607 and 108,165 is: 165,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607 : 108,165 = 108,165 : x
  2. Step 2: Convert to fraction form
    70,607/108,165 = 108,165/x
  3. Step 3: Cross multiply
    70,607x = 108,165 × 108,165
  4. Step 4: Simplify right side
    70,607x = 11,699,667,225
  5. Step 5: Solve for x
    x = 11,699,667,225/70,607
  6. Step 6: Final answer
    x = 165,701.24

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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.