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Finding the Third Proportional to 1,287,450 and 1,947,741

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Solution

The third proportional to 1,287,450 and 1,947,741 is: 2,946,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,450 : 1,947,741 = 1,947,741 : x
  2. Step 2: Convert to fraction form
    1,287,450/1,947,741 = 1,947,741/x
  3. Step 3: Cross multiply
    1,287,450x = 1,947,741 × 1,947,741
  4. Step 4: Simplify right side
    1,287,450x = 3,793,695,003,081
  5. Step 5: Solve for x
    x = 3,793,695,003,081/1,287,450
  6. Step 6: Final answer
    x = 2,946,673.66

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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.