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Finding the Third Proportional to 31,004,932 and 66,747,996

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Solution

The third proportional to 31,004,932 and 66,747,996 is: 143,696,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004,932 : 66,747,996 = 66,747,996 : x
  2. Step 2: Convert to fraction form
    31,004,932/66,747,996 = 66,747,996/x
  3. Step 3: Cross multiply
    31,004,932x = 66,747,996 × 66,747,996
  4. Step 4: Simplify right side
    31,004,932x = 4,455,294,970,016,016
  5. Step 5: Solve for x
    x = 4,455,294,970,016,016/31,004,932
  6. Step 6: Final answer
    x = 143,696,330.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.