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Finding the Third Proportional to 146,574 and 313,876

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Solution

The third proportional to 146,574 and 313,876 is: 672,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,574 : 313,876 = 313,876 : x
  2. Step 2: Convert to fraction form
    146,574/313,876 = 313,876/x
  3. Step 3: Cross multiply
    146,574x = 313,876 × 313,876
  4. Step 4: Simplify right side
    146,574x = 98,518,143,376
  5. Step 5: Solve for x
    x = 98,518,143,376/146,574
  6. Step 6: Final answer
    x = 672,139.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.