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Finding the Third Proportional to 3,120,989 and 6,707,566

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Solution

The third proportional to 3,120,989 and 6,707,566 is: 14,415,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,989 : 6,707,566 = 6,707,566 : x
  2. Step 2: Convert to fraction form
    3,120,989/6,707,566 = 6,707,566/x
  3. Step 3: Cross multiply
    3,120,989x = 6,707,566 × 6,707,566
  4. Step 4: Simplify right side
    3,120,989x = 44,991,441,644,356
  5. Step 5: Solve for x
    x = 44,991,441,644,356/3,120,989
  6. Step 6: Final answer
    x = 14,415,764.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.