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Finding the Third Proportional to 4,314,819.38 and 7,190,503.88

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Solution

The third proportional to 4,314,819.38 and 7,190,503.88 is: 11,982,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314,819.38 : 7,190,503.88 = 7,190,503.88 : x
  2. Step 2: Convert to fraction form
    4,314,819.38/7,190,503.88 = 7,190,503.88/x
  3. Step 3: Cross multiply
    4,314,819.38x = 7,190,503.88 × 7,190,503.88
  4. Step 4: Simplify right side
    4,314,819.38x = 51,703,345,976,390.02
  5. Step 5: Solve for x
    x = 51,703,345,976,390.02/4,314,819.38
  6. Step 6: Final answer
    x = 11,982,737.05

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.