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Finding the Third Proportional to 3,091,036 and 6,639,128

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Solution

The third proportional to 3,091,036 and 6,639,128 is: 14,259,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,036 : 6,639,128 = 6,639,128 : x
  2. Step 2: Convert to fraction form
    3,091,036/6,639,128 = 6,639,128/x
  3. Step 3: Cross multiply
    3,091,036x = 6,639,128 × 6,639,128
  4. Step 4: Simplify right side
    3,091,036x = 44,078,020,600,384
  5. Step 5: Solve for x
    x = 44,078,020,600,384/3,091,036
  6. Step 6: Final answer
    x = 14,259,950.58

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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.