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Finding the Third Proportional to 5,422,932 and 11,686,392

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Solution

The third proportional to 5,422,932 and 11,686,392 is: 25,184,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,932 : 11,686,392 = 11,686,392 : x
  2. Step 2: Convert to fraction form
    5,422,932/11,686,392 = 11,686,392/x
  3. Step 3: Cross multiply
    5,422,932x = 11,686,392 × 11,686,392
  4. Step 4: Simplify right side
    5,422,932x = 136,571,757,977,664
  5. Step 5: Solve for x
    x = 136,571,757,977,664/5,422,932
  6. Step 6: Final answer
    x = 25,184,117.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.