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Finding the Third Proportional to 29,978,954,290 and 66,660,774,882

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Solution

The third proportional to 29,978,954,290 and 66,660,774,882 is: 148,225,947,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,978,954,290 : 66,660,774,882 = 66,660,774,882 : x
  2. Step 2: Convert to fraction form
    29,978,954,290/66,660,774,882 = 66,660,774,882/x
  3. Step 3: Cross multiply
    29,978,954,290x = 66,660,774,882 × 66,660,774,882
  4. Step 4: Simplify right side
    29,978,954,290x = 4,443,658,907,868,682,256,384
  5. Step 5: Solve for x
    x = 4,443,658,907,868,682,256,384/29,978,954,290
  6. Step 6: Final answer
    x = 148,225,947,605.88

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Why These Related Problems?

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