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Finding the Third Proportional to 638,075 and 1,401,937

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Solution

The third proportional to 638,075 and 1,401,937 is: 3,080,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,075 : 1,401,937 = 1,401,937 : x
  2. Step 2: Convert to fraction form
    638,075/1,401,937 = 1,401,937/x
  3. Step 3: Cross multiply
    638,075x = 1,401,937 × 1,401,937
  4. Step 4: Simplify right side
    638,075x = 1,965,427,351,969
  5. Step 5: Solve for x
    x = 1,965,427,351,969/638,075
  6. Step 6: Final answer
    x = 3,080,245.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.