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Finding the Third Proportional to 102,476 and 220,262

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Solution

The third proportional to 102,476 and 220,262 is: 473,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,476 : 220,262 = 220,262 : x
  2. Step 2: Convert to fraction form
    102,476/220,262 = 220,262/x
  3. Step 3: Cross multiply
    102,476x = 220,262 × 220,262
  4. Step 4: Simplify right side
    102,476x = 48,515,348,644
  5. Step 5: Solve for x
    x = 48,515,348,644/102,476
  6. Step 6: Final answer
    x = 473,431.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.