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Finding the Third Proportional to 66,759,868 and 143,101,064

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Solution

The third proportional to 66,759,868 and 143,101,064 is: 306,739,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,759,868 : 143,101,064 = 143,101,064 : x
  2. Step 2: Convert to fraction form
    66,759,868/143,101,064 = 143,101,064/x
  3. Step 3: Cross multiply
    66,759,868x = 143,101,064 × 143,101,064
  4. Step 4: Simplify right side
    66,759,868x = 20,477,914,517,932,096
  5. Step 5: Solve for x
    x = 20,477,914,517,932,096/66,759,868
  6. Step 6: Final answer
    x = 306,739,889.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.