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Finding the Third Proportional to 1,639,061 and 2,488,120

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Solution

The third proportional to 1,639,061 and 2,488,120 is: 3,777,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,061 : 2,488,120 = 2,488,120 : x
  2. Step 2: Convert to fraction form
    1,639,061/2,488,120 = 2,488,120/x
  3. Step 3: Cross multiply
    1,639,061x = 2,488,120 × 2,488,120
  4. Step 4: Simplify right side
    1,639,061x = 6,190,741,134,400
  5. Step 5: Solve for x
    x = 6,190,741,134,400/1,639,061
  6. Step 6: Final answer
    x = 3,777,004.72

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.