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Finding the Third Proportional to 73,815 and 108,262

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Solution

The third proportional to 73,815 and 108,262 is: 158,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815 : 108,262 = 108,262 : x
  2. Step 2: Convert to fraction form
    73,815/108,262 = 108,262/x
  3. Step 3: Cross multiply
    73,815x = 108,262 × 108,262
  4. Step 4: Simplify right side
    73,815x = 11,720,660,644
  5. Step 5: Solve for x
    x = 11,720,660,644/73,815
  6. Step 6: Final answer
    x = 158,784.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.