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Finding the Third Proportional to 622,578 and 874,330

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Solution

The third proportional to 622,578 and 874,330 is: 1,227,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,578 : 874,330 = 874,330 : x
  2. Step 2: Convert to fraction form
    622,578/874,330 = 874,330/x
  3. Step 3: Cross multiply
    622,578x = 874,330 × 874,330
  4. Step 4: Simplify right side
    622,578x = 764,452,948,900
  5. Step 5: Solve for x
    x = 764,452,948,900/622,578
  6. Step 6: Final answer
    x = 1,227,883.01

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.