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Finding the Third Proportional to 38,440 and 82,008

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Solution

The third proportional to 38,440 and 82,008 is: 174,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440 : 82,008 = 82,008 : x
  2. Step 2: Convert to fraction form
    38,440/82,008 = 82,008/x
  3. Step 3: Cross multiply
    38,440x = 82,008 × 82,008
  4. Step 4: Simplify right side
    38,440x = 6,725,312,064
  5. Step 5: Solve for x
    x = 6,725,312,064/38,440
  6. Step 6: Final answer
    x = 174,956.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.