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Finding the Third Proportional to 10,661,622 and 15,194,961

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Solution

The third proportional to 10,661,622 and 15,194,961 is: 21,655,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,622 : 15,194,961 = 15,194,961 : x
  2. Step 2: Convert to fraction form
    10,661,622/15,194,961 = 15,194,961/x
  3. Step 3: Cross multiply
    10,661,622x = 15,194,961 × 15,194,961
  4. Step 4: Simplify right side
    10,661,622x = 230,886,839,791,521
  5. Step 5: Solve for x
    x = 230,886,839,791,521/10,661,622
  6. Step 6: Final answer
    x = 21,655,883.11

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.