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Finding the Third Proportional to 7,661,649 and 11,426,031

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Solution

The third proportional to 7,661,649 and 11,426,031 is: 17,039,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,649 : 11,426,031 = 11,426,031 : x
  2. Step 2: Convert to fraction form
    7,661,649/11,426,031 = 11,426,031/x
  3. Step 3: Cross multiply
    7,661,649x = 11,426,031 × 11,426,031
  4. Step 4: Simplify right side
    7,661,649x = 130,554,184,412,961
  5. Step 5: Solve for x
    x = 130,554,184,412,961/7,661,649
  6. Step 6: Final answer
    x = 17,039,958.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.