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Finding the Third Proportional to 69,827,280 and 151,741,374

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Solution

The third proportional to 69,827,280 and 151,741,374 is: 329,748,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,827,280 : 151,741,374 = 151,741,374 : x
  2. Step 2: Convert to fraction form
    69,827,280/151,741,374 = 151,741,374/x
  3. Step 3: Cross multiply
    69,827,280x = 151,741,374 × 151,741,374
  4. Step 4: Simplify right side
    69,827,280x = 23,025,444,583,407,876
  5. Step 5: Solve for x
    x = 23,025,444,583,407,876/69,827,280
  6. Step 6: Final answer
    x = 329,748,553.62

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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.