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Finding the Third Proportional to 108,008 and 220,336

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Solution

The third proportional to 108,008 and 220,336 is: 449,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,008 : 220,336 = 220,336 : x
  2. Step 2: Convert to fraction form
    108,008/220,336 = 220,336/x
  3. Step 3: Cross multiply
    108,008x = 220,336 × 220,336
  4. Step 4: Simplify right side
    108,008x = 48,547,952,896
  5. Step 5: Solve for x
    x = 48,547,952,896/108,008
  6. Step 6: Final answer
    x = 449,484.79

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.