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Finding the Third Proportional to 38,426 and 83,416

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Solution

The third proportional to 38,426 and 83,416 is: 181,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426 : 83,416 = 83,416 : x
  2. Step 2: Convert to fraction form
    38,426/83,416 = 83,416/x
  3. Step 3: Cross multiply
    38,426x = 83,416 × 83,416
  4. Step 4: Simplify right side
    38,426x = 6,958,229,056
  5. Step 5: Solve for x
    x = 6,958,229,056/38,426
  6. Step 6: Final answer
    x = 181,081.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.