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Finding the Third Proportional to 149,873.50 and 313,604

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Solution

The third proportional to 149,873.50 and 313,604 is: 656,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,873.50 : 313,604 = 313,604 : x
  2. Step 2: Convert to fraction form
    149,873.50/313,604 = 313,604/x
  3. Step 3: Cross multiply
    149,873.50x = 313,604 × 313,604
  4. Step 4: Simplify right side
    149,873.50x = 98,347,468,816
  5. Step 5: Solve for x
    x = 98,347,468,816/149,873.50
  6. Step 6: Final answer
    x = 656,203.19

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.