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Finding the Third Proportional to 205,959,087 and 310,853,973

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Solution

The third proportional to 205,959,087 and 310,853,973 is: 469,171,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,959,087 : 310,853,973 = 310,853,973 : x
  2. Step 2: Convert to fraction form
    205,959,087/310,853,973 = 310,853,973/x
  3. Step 3: Cross multiply
    205,959,087x = 310,853,973 × 310,853,973
  4. Step 4: Simplify right side
    205,959,087x = 96,630,192,529,884,736
  5. Step 5: Solve for x
    x = 96,630,192,529,884,736/205,959,087
  6. Step 6: Final answer
    x = 469,171,785.22

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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.