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Finding the Third Proportional to 1,645,694.72 and 2,183,660.86

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Solution

The third proportional to 1,645,694.72 and 2,183,660.86 is: 2,897,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,694.72 : 2,183,660.86 = 2,183,660.86 : x
  2. Step 2: Convert to fraction form
    1,645,694.72/2,183,660.86 = 2,183,660.86/x
  3. Step 3: Cross multiply
    1,645,694.72x = 2,183,660.86 × 2,183,660.86
  4. Step 4: Simplify right side
    1,645,694.72x = 4,768,374,748,766.36
  5. Step 5: Solve for x
    x = 4,768,374,748,766.36/1,645,694.72
  6. Step 6: Final answer
    x = 2,897,484.38

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.