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Finding the Third Proportional to 7,189,980 and 15,649,608

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Solution

The third proportional to 7,189,980 and 15,649,608 is: 34,062,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,980 : 15,649,608 = 15,649,608 : x
  2. Step 2: Convert to fraction form
    7,189,980/15,649,608 = 15,649,608/x
  3. Step 3: Cross multiply
    7,189,980x = 15,649,608 × 15,649,608
  4. Step 4: Simplify right side
    7,189,980x = 244,910,230,553,664
  5. Step 5: Solve for x
    x = 244,910,230,553,664/7,189,980
  6. Step 6: Final answer
    x = 34,062,713.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.