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Finding the Third Proportional to 978,649 and 2,149,753

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Solution

The third proportional to 978,649 and 2,149,753 is: 4,722,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,649 : 2,149,753 = 2,149,753 : x
  2. Step 2: Convert to fraction form
    978,649/2,149,753 = 2,149,753/x
  3. Step 3: Cross multiply
    978,649x = 2,149,753 × 2,149,753
  4. Step 4: Simplify right side
    978,649x = 4,621,437,961,009
  5. Step 5: Solve for x
    x = 4,621,437,961,009/978,649
  6. Step 6: Final answer
    x = 4,722,263.00

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.