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Finding the Third Proportional to 376,075 and 555,812

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Solution

The third proportional to 376,075 and 555,812 is: 821,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,075 : 555,812 = 555,812 : x
  2. Step 2: Convert to fraction form
    376,075/555,812 = 555,812/x
  3. Step 3: Cross multiply
    376,075x = 555,812 × 555,812
  4. Step 4: Simplify right side
    376,075x = 308,926,979,344
  5. Step 5: Solve for x
    x = 308,926,979,344/376,075
  6. Step 6: Final answer
    x = 821,450.45

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.