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Finding the Third Proportional to 103,921.31 and 223,867.13

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Solution

The third proportional to 103,921.31 and 223,867.13 is: 482,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.31 : 223,867.13 = 223,867.13 : x
  2. Step 2: Convert to fraction form
    103,921.31/223,867.13 = 223,867.13/x
  3. Step 3: Cross multiply
    103,921.31x = 223,867.13 × 223,867.13
  4. Step 4: Simplify right side
    103,921.31x = 50,116,489,655.77
  5. Step 5: Solve for x
    x = 50,116,489,655.77/103,921.31
  6. Step 6: Final answer
    x = 482,254.20

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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.