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Finding the Third Proportional to 52,918 and 82,007

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Solution

The third proportional to 52,918 and 82,007 is: 127,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,918 : 82,007 = 82,007 : x
  2. Step 2: Convert to fraction form
    52,918/82,007 = 82,007/x
  3. Step 3: Cross multiply
    52,918x = 82,007 × 82,007
  4. Step 4: Simplify right side
    52,918x = 6,725,148,049
  5. Step 5: Solve for x
    x = 6,725,148,049/52,918
  6. Step 6: Final answer
    x = 127,086.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.