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Finding the Third Proportional to 12,939,840 and 27,697,372

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Solution

The third proportional to 12,939,840 and 27,697,372 is: 59,285,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,840 : 27,697,372 = 27,697,372 : x
  2. Step 2: Convert to fraction form
    12,939,840/27,697,372 = 27,697,372/x
  3. Step 3: Cross multiply
    12,939,840x = 27,697,372 × 27,697,372
  4. Step 4: Simplify right side
    12,939,840x = 767,144,415,706,384
  5. Step 5: Solve for x
    x = 767,144,415,706,384/12,939,840
  6. Step 6: Final answer
    x = 59,285,463.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.