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Finding the Third Proportional to 2,220,458 and 5,239,961

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Solution

The third proportional to 2,220,458 and 5,239,961 is: 12,365,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,458 : 5,239,961 = 5,239,961 : x
  2. Step 2: Convert to fraction form
    2,220,458/5,239,961 = 5,239,961/x
  3. Step 3: Cross multiply
    2,220,458x = 5,239,961 × 5,239,961
  4. Step 4: Simplify right side
    2,220,458x = 27,457,191,281,521
  5. Step 5: Solve for x
    x = 27,457,191,281,521/2,220,458
  6. Step 6: Final answer
    x = 12,365,553.09

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.