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Finding the Third Proportional to 131,451,641 and 204,345,963

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Solution

The third proportional to 131,451,641 and 204,345,963 is: 317,662,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,641 : 204,345,963 = 204,345,963 : x
  2. Step 2: Convert to fraction form
    131,451,641/204,345,963 = 204,345,963/x
  3. Step 3: Cross multiply
    131,451,641x = 204,345,963 × 204,345,963
  4. Step 4: Simplify right side
    131,451,641x = 41,757,272,594,397,368
  5. Step 5: Solve for x
    x = 41,757,272,594,397,368/131,451,641
  6. Step 6: Final answer
    x = 317,662,619.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.