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Finding the Third Proportional to 13,189,854 and 28,635,690

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Solution

The third proportional to 13,189,854 and 28,635,690 is: 62,169,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,854 : 28,635,690 = 28,635,690 : x
  2. Step 2: Convert to fraction form
    13,189,854/28,635,690 = 28,635,690/x
  3. Step 3: Cross multiply
    13,189,854x = 28,635,690 × 28,635,690
  4. Step 4: Simplify right side
    13,189,854x = 820,002,741,776,100
  5. Step 5: Solve for x
    x = 820,002,741,776,100/13,189,854
  6. Step 6: Final answer
    x = 62,169,205.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.