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Finding the Third Proportional to 1,228,997 and 2,506,789

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Solution

The third proportional to 1,228,997 and 2,506,789 is: 5,113,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,997 : 2,506,789 = 2,506,789 : x
  2. Step 2: Convert to fraction form
    1,228,997/2,506,789 = 2,506,789/x
  3. Step 3: Cross multiply
    1,228,997x = 2,506,789 × 2,506,789
  4. Step 4: Simplify right side
    1,228,997x = 6,283,991,090,521
  5. Step 5: Solve for x
    x = 6,283,991,090,521/1,228,997
  6. Step 6: Final answer
    x = 5,113,105.31

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.