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Finding the Third Proportional to 2,021,699 and 4,351,675

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Solution

The third proportional to 2,021,699 and 4,351,675 is: 9,366,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,699 : 4,351,675 = 4,351,675 : x
  2. Step 2: Convert to fraction form
    2,021,699/4,351,675 = 4,351,675/x
  3. Step 3: Cross multiply
    2,021,699x = 4,351,675 × 4,351,675
  4. Step 4: Simplify right side
    2,021,699x = 18,937,075,305,625
  5. Step 5: Solve for x
    x = 18,937,075,305,625/2,021,699
  6. Step 6: Final answer
    x = 9,366,911.35

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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.