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Finding the Third Proportional to 3,378,156.38 and 7,971,202.88

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Solution

The third proportional to 3,378,156.38 and 7,971,202.88 is: 18,809,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,156.38 : 7,971,202.88 = 7,971,202.88 : x
  2. Step 2: Convert to fraction form
    3,378,156.38/7,971,202.88 = 7,971,202.88/x
  3. Step 3: Cross multiply
    3,378,156.38x = 7,971,202.88 × 7,971,202.88
  4. Step 4: Simplify right side
    3,378,156.38x = 63,540,075,274,408.27
  5. Step 5: Solve for x
    x = 63,540,075,274,408.27/3,378,156.38
  6. Step 6: Final answer
    x = 18,809,098.28

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.