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Finding the Third Proportional to 188,091,492 and 407,571,228

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Solution

The third proportional to 188,091,492 and 407,571,228 is: 883,156,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,091,492 : 407,571,228 = 407,571,228 : x
  2. Step 2: Convert to fraction form
    188,091,492/407,571,228 = 407,571,228/x
  3. Step 3: Cross multiply
    188,091,492x = 407,571,228 × 407,571,228
  4. Step 4: Simplify right side
    188,091,492x = 166,114,305,893,427,968
  5. Step 5: Solve for x
    x = 166,114,305,893,427,968/188,091,492
  6. Step 6: Final answer
    x = 883,156,936.70

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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.