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Finding the Third Proportional to 12,936,420 and 26,252,973

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Solution

The third proportional to 12,936,420 and 26,252,973 is: 53,277,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,420 : 26,252,973 = 26,252,973 : x
  2. Step 2: Convert to fraction form
    12,936,420/26,252,973 = 26,252,973/x
  3. Step 3: Cross multiply
    12,936,420x = 26,252,973 × 26,252,973
  4. Step 4: Simplify right side
    12,936,420x = 689,218,591,338,729
  5. Step 5: Solve for x
    x = 689,218,591,338,729/12,936,420
  6. Step 6: Final answer
    x = 53,277,382.10

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.