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Finding the Third Proportional to 9,890,658 and 20,844,036

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Solution

The third proportional to 9,890,658 and 20,844,036 is: 43,927,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,658 : 20,844,036 = 20,844,036 : x
  2. Step 2: Convert to fraction form
    9,890,658/20,844,036 = 20,844,036/x
  3. Step 3: Cross multiply
    9,890,658x = 20,844,036 × 20,844,036
  4. Step 4: Simplify right side
    9,890,658x = 434,473,836,769,296
  5. Step 5: Solve for x
    x = 434,473,836,769,296/9,890,658
  6. Step 6: Final answer
    x = 43,927,697.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.