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Finding the Third Proportional to 148,830 and 223,578

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Solution

The third proportional to 148,830 and 223,578 is: 335,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,830 : 223,578 = 223,578 : x
  2. Step 2: Convert to fraction form
    148,830/223,578 = 223,578/x
  3. Step 3: Cross multiply
    148,830x = 223,578 × 223,578
  4. Step 4: Simplify right side
    148,830x = 49,987,122,084
  5. Step 5: Solve for x
    x = 49,987,122,084/148,830
  6. Step 6: Final answer
    x = 335,867.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.