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Finding the Third Proportional to 5,199,315 and 11,220,693

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Solution

The third proportional to 5,199,315 and 11,220,693 is: 24,215,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,315 : 11,220,693 = 11,220,693 : x
  2. Step 2: Convert to fraction form
    5,199,315/11,220,693 = 11,220,693/x
  3. Step 3: Cross multiply
    5,199,315x = 11,220,693 × 11,220,693
  4. Step 4: Simplify right side
    5,199,315x = 125,903,951,400,249
  5. Step 5: Solve for x
    x = 125,903,951,400,249/5,199,315
  6. Step 6: Final answer
    x = 24,215,488.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.