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Finding the Third Proportional to 11,639,877 and 17,620,830

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Solution

The third proportional to 11,639,877 and 17,620,830 is: 26,674,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,877 : 17,620,830 = 17,620,830 : x
  2. Step 2: Convert to fraction form
    11,639,877/17,620,830 = 17,620,830/x
  3. Step 3: Cross multiply
    11,639,877x = 17,620,830 × 17,620,830
  4. Step 4: Simplify right side
    11,639,877x = 310,493,649,888,900
  5. Step 5: Solve for x
    x = 310,493,649,888,900/11,639,877
  6. Step 6: Final answer
    x = 26,674,994.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.