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Finding the Third Proportional to 3,319,420.50 and 5,278,203

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Solution

The third proportional to 3,319,420.50 and 5,278,203 is: 8,392,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,420.50 : 5,278,203 = 5,278,203 : x
  2. Step 2: Convert to fraction form
    3,319,420.50/5,278,203 = 5,278,203/x
  3. Step 3: Cross multiply
    3,319,420.50x = 5,278,203 × 5,278,203
  4. Step 4: Simplify right side
    3,319,420.50x = 27,859,426,909,209
  5. Step 5: Solve for x
    x = 27,859,426,909,209/3,319,420.50
  6. Step 6: Final answer
    x = 8,392,858.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.