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Finding the Third Proportional to 9,911,620 and 13,957,954

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Solution

The third proportional to 9,911,620 and 13,957,954 is: 19,656,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911,620 : 13,957,954 = 13,957,954 : x
  2. Step 2: Convert to fraction form
    9,911,620/13,957,954 = 13,957,954/x
  3. Step 3: Cross multiply
    9,911,620x = 13,957,954 × 13,957,954
  4. Step 4: Simplify right side
    9,911,620x = 194,824,479,866,116
  5. Step 5: Solve for x
    x = 194,824,479,866,116/9,911,620
  6. Step 6: Final answer
    x = 19,656,169.21

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.