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Finding the Third Proportional to 19,917,052 and 40,564,976

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Solution

The third proportional to 19,917,052 and 40,564,976 is: 82,618,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917,052 : 40,564,976 = 40,564,976 : x
  2. Step 2: Convert to fraction form
    19,917,052/40,564,976 = 40,564,976/x
  3. Step 3: Cross multiply
    19,917,052x = 40,564,976 × 40,564,976
  4. Step 4: Simplify right side
    19,917,052x = 1,645,517,277,880,576
  5. Step 5: Solve for x
    x = 1,645,517,277,880,576/19,917,052
  6. Step 6: Final answer
    x = 82,618,515.93

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.