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Finding the Third Proportional to 604,642 and 874,055

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Solution

The third proportional to 604,642 and 874,055 is: 1,263,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,642 : 874,055 = 874,055 : x
  2. Step 2: Convert to fraction form
    604,642/874,055 = 874,055/x
  3. Step 3: Cross multiply
    604,642x = 874,055 × 874,055
  4. Step 4: Simplify right side
    604,642x = 763,972,143,025
  5. Step 5: Solve for x
    x = 763,972,143,025/604,642
  6. Step 6: Final answer
    x = 1,263,511.54

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.