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Finding the Third Proportional to 193,795,519 and 425,256,869

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Solution

The third proportional to 193,795,519 and 425,256,869 is: 933,166,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,795,519 : 425,256,869 = 425,256,869 : x
  2. Step 2: Convert to fraction form
    193,795,519/425,256,869 = 425,256,869/x
  3. Step 3: Cross multiply
    193,795,519x = 425,256,869 × 425,256,869
  4. Step 4: Simplify right side
    193,795,519x = 180,843,404,631,683,168
  5. Step 5: Solve for x
    x = 180,843,404,631,683,168/193,795,519
  6. Step 6: Final answer
    x = 933,166,079.20

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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.