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Finding the Third Proportional to 6,423,978 and 13,906,450

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Solution

The third proportional to 6,423,978 and 13,906,450 is: 30,104,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423,978 : 13,906,450 = 13,906,450 : x
  2. Step 2: Convert to fraction form
    6,423,978/13,906,450 = 13,906,450/x
  3. Step 3: Cross multiply
    6,423,978x = 13,906,450 × 13,906,450
  4. Step 4: Simplify right side
    6,423,978x = 193,389,351,602,500
  5. Step 5: Solve for x
    x = 193,389,351,602,500/6,423,978
  6. Step 6: Final answer
    x = 30,104,298.55

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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.