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Finding the Third Proportional to 2,153,928 and 3,379,176

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Solution

The third proportional to 2,153,928 and 3,379,176 is: 5,301,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,928 : 3,379,176 = 3,379,176 : x
  2. Step 2: Convert to fraction form
    2,153,928/3,379,176 = 3,379,176/x
  3. Step 3: Cross multiply
    2,153,928x = 3,379,176 × 3,379,176
  4. Step 4: Simplify right side
    2,153,928x = 11,418,830,438,976
  5. Step 5: Solve for x
    x = 11,418,830,438,976/2,153,928
  6. Step 6: Final answer
    x = 5,301,398.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.