Home / 84,278,086,832.25-121,767,281,670.38

Finding the Third Proportional to 84,278,086,832.25 and 121,767,281,670.38

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Solution

The third proportional to 84,278,086,832.25 and 121,767,281,670.38 is: 175,932,694,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278,086,832.25 : 121,767,281,670.38 = 121,767,281,670.38 : x
  2. Step 2: Convert to fraction form
    84,278,086,832.25/121,767,281,670.38 = 121,767,281,670.38/x
  3. Step 3: Cross multiply
    84,278,086,832.25x = 121,767,281,670.38 × 121,767,281,670.38
  4. Step 4: Simplify right side
    84,278,086,832.25x = 14,827,270,885,393,662,214,144
  5. Step 5: Solve for x
    x = 14,827,270,885,393,662,214,144/84,278,086,832.25
  6. Step 6: Final answer
    x = 175,932,694,282.75

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.