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Finding the Third Proportional to 12,945,021 and 27,907,536

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Solution

The third proportional to 12,945,021 and 27,907,536 is: 60,164,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,021 : 27,907,536 = 27,907,536 : x
  2. Step 2: Convert to fraction form
    12,945,021/27,907,536 = 27,907,536/x
  3. Step 3: Cross multiply
    12,945,021x = 27,907,536 × 27,907,536
  4. Step 4: Simplify right side
    12,945,021x = 778,830,565,591,296
  5. Step 5: Solve for x
    x = 778,830,565,591,296/12,945,021
  6. Step 6: Final answer
    x = 60,164,488.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.