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Finding the Third Proportional to 89,510,417 and 195,660,805

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Solution

The third proportional to 89,510,417 and 195,660,805 is: 427,694,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,510,417 : 195,660,805 = 195,660,805 : x
  2. Step 2: Convert to fraction form
    89,510,417/195,660,805 = 195,660,805/x
  3. Step 3: Cross multiply
    89,510,417x = 195,660,805 × 195,660,805
  4. Step 4: Simplify right side
    89,510,417x = 38,283,150,613,248,024
  5. Step 5: Solve for x
    x = 38,283,150,613,248,024/89,510,417
  6. Step 6: Final answer
    x = 427,694,919.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.