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Finding the Third Proportional to 3,019,978 and 6,389,750

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Solution

The third proportional to 3,019,978 and 6,389,750 is: 13,519,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,978 : 6,389,750 = 6,389,750 : x
  2. Step 2: Convert to fraction form
    3,019,978/6,389,750 = 6,389,750/x
  3. Step 3: Cross multiply
    3,019,978x = 6,389,750 × 6,389,750
  4. Step 4: Simplify right side
    3,019,978x = 40,828,905,062,500
  5. Step 5: Solve for x
    x = 40,828,905,062,500/3,019,978
  6. Step 6: Final answer
    x = 13,519,603.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.