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Finding the Third Proportional to 1,339,366.64 and 2,021,505.61

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Solution

The third proportional to 1,339,366.64 and 2,021,505.61 is: 3,051,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,366.64 : 2,021,505.61 = 2,021,505.61 : x
  2. Step 2: Convert to fraction form
    1,339,366.64/2,021,505.61 = 2,021,505.61/x
  3. Step 3: Cross multiply
    1,339,366.64x = 2,021,505.61 × 2,021,505.61
  4. Step 4: Simplify right side
    1,339,366.64x = 4,086,484,928,734.59
  5. Step 5: Solve for x
    x = 4,086,484,928,734.59/1,339,366.64
  6. Step 6: Final answer
    x = 3,051,057.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.