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Finding the Third Proportional to 103,008 and 217,086

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Solution

The third proportional to 103,008 and 217,086 is: 457,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,008 : 217,086 = 217,086 : x
  2. Step 2: Convert to fraction form
    103,008/217,086 = 217,086/x
  3. Step 3: Cross multiply
    103,008x = 217,086 × 217,086
  4. Step 4: Simplify right side
    103,008x = 47,126,331,396
  5. Step 5: Solve for x
    x = 47,126,331,396/103,008
  6. Step 6: Final answer
    x = 457,501.66

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.