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Finding the Third Proportional to 967,407 and 2,100,990

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Solution

The third proportional to 967,407 and 2,100,990 is: 4,562,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,407 : 2,100,990 = 2,100,990 : x
  2. Step 2: Convert to fraction form
    967,407/2,100,990 = 2,100,990/x
  3. Step 3: Cross multiply
    967,407x = 2,100,990 × 2,100,990
  4. Step 4: Simplify right side
    967,407x = 4,414,158,980,100
  5. Step 5: Solve for x
    x = 4,414,158,980,100/967,407
  6. Step 6: Final answer
    x = 4,562,876.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.