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Finding the Third Proportional to 100,613.25 and 207,605.25

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Solution

The third proportional to 100,613.25 and 207,605.25 is: 428,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,613.25 : 207,605.25 = 207,605.25 : x
  2. Step 2: Convert to fraction form
    100,613.25/207,605.25 = 207,605.25/x
  3. Step 3: Cross multiply
    100,613.25x = 207,605.25 × 207,605.25
  4. Step 4: Simplify right side
    100,613.25x = 43,099,939,827.56
  5. Step 5: Solve for x
    x = 43,099,939,827.56/100,613.25
  6. Step 6: Final answer
    x = 428,372.40

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.