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Finding the Third Proportional to 102,312.25 and 223,208.75

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Solution

The third proportional to 102,312.25 and 223,208.75 is: 486,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,312.25 : 223,208.75 = 223,208.75 : x
  2. Step 2: Convert to fraction form
    102,312.25/223,208.75 = 223,208.75/x
  3. Step 3: Cross multiply
    102,312.25x = 223,208.75 × 223,208.75
  4. Step 4: Simplify right side
    102,312.25x = 49,822,146,076.56
  5. Step 5: Solve for x
    x = 49,822,146,076.56/102,312.25
  6. Step 6: Final answer
    x = 486,961.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.