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Finding the Third Proportional to 205,959,098 and 310,853,988

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Solution

The third proportional to 205,959,098 and 310,853,988 is: 469,171,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,959,098 : 310,853,988 = 310,853,988 : x
  2. Step 2: Convert to fraction form
    205,959,098/310,853,988 = 310,853,988/x
  3. Step 3: Cross multiply
    205,959,098x = 310,853,988 × 310,853,988
  4. Step 4: Simplify right side
    205,959,098x = 96,630,201,855,504,144
  5. Step 5: Solve for x
    x = 96,630,201,855,504,144/205,959,098
  6. Step 6: Final answer
    x = 469,171,805.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.