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Finding the Third Proportional to 197,553 and 313,825.50

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Solution

The third proportional to 197,553 and 313,825.50 is: 498,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,553 : 313,825.50 = 313,825.50 : x
  2. Step 2: Convert to fraction form
    197,553/313,825.50 = 313,825.50/x
  3. Step 3: Cross multiply
    197,553x = 313,825.50 × 313,825.50
  4. Step 4: Simplify right side
    197,553x = 98,486,444,450.25
  5. Step 5: Solve for x
    x = 98,486,444,450.25/197,553
  6. Step 6: Final answer
    x = 498,531.76

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.