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Finding the Third Proportional to 12,112,938 and 18,618,462

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Solution

The third proportional to 12,112,938 and 18,618,462 is: 28,617,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,938 : 18,618,462 = 18,618,462 : x
  2. Step 2: Convert to fraction form
    12,112,938/18,618,462 = 18,618,462/x
  3. Step 3: Cross multiply
    12,112,938x = 18,618,462 × 18,618,462
  4. Step 4: Simplify right side
    12,112,938x = 346,647,127,245,444
  5. Step 5: Solve for x
    x = 346,647,127,245,444/12,112,938
  6. Step 6: Final answer
    x = 28,617,923.02

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.