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Finding the Third Proportional to 30,610,686 and 66,601,995

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Solution

The third proportional to 30,610,686 and 66,601,995 is: 144,911,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,686 : 66,601,995 = 66,601,995 : x
  2. Step 2: Convert to fraction form
    30,610,686/66,601,995 = 66,601,995/x
  3. Step 3: Cross multiply
    30,610,686x = 66,601,995 × 66,601,995
  4. Step 4: Simplify right side
    30,610,686x = 4,435,825,737,980,025
  5. Step 5: Solve for x
    x = 4,435,825,737,980,025/30,610,686
  6. Step 6: Final answer
    x = 144,911,020.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.