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Finding the Third Proportional to 103,913 and 223,719

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Solution

The third proportional to 103,913 and 223,719 is: 481,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,913 : 223,719 = 223,719 : x
  2. Step 2: Convert to fraction form
    103,913/223,719 = 223,719/x
  3. Step 3: Cross multiply
    103,913x = 223,719 × 223,719
  4. Step 4: Simplify right side
    103,913x = 50,050,190,961
  5. Step 5: Solve for x
    x = 50,050,190,961/103,913
  6. Step 6: Final answer
    x = 481,654.76

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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.