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Finding the Third Proportional to 103,617 and 204,808

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Solution

The third proportional to 103,617 and 204,808 is: 404,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617 : 204,808 = 204,808 : x
  2. Step 2: Convert to fraction form
    103,617/204,808 = 204,808/x
  3. Step 3: Cross multiply
    103,617x = 204,808 × 204,808
  4. Step 4: Simplify right side
    103,617x = 41,946,316,864
  5. Step 5: Solve for x
    x = 41,946,316,864/103,617
  6. Step 6: Final answer
    x = 404,820.80

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.