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Finding the Third Proportional to 5,542,215 and 11,903,679

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Solution

The third proportional to 5,542,215 and 11,903,679 is: 25,566,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542,215 : 11,903,679 = 11,903,679 : x
  2. Step 2: Convert to fraction form
    5,542,215/11,903,679 = 11,903,679/x
  3. Step 3: Cross multiply
    5,542,215x = 11,903,679 × 11,903,679
  4. Step 4: Simplify right side
    5,542,215x = 141,697,573,735,041
  5. Step 5: Solve for x
    x = 141,697,573,735,041/5,542,215
  6. Step 6: Final answer
    x = 25,566,957.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.