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Finding the Third Proportional to 196,822 and 313,332

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Solution

The third proportional to 196,822 and 313,332 is: 498,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,822 : 313,332 = 313,332 : x
  2. Step 2: Convert to fraction form
    196,822/313,332 = 313,332/x
  3. Step 3: Cross multiply
    196,822x = 313,332 × 313,332
  4. Step 4: Simplify right side
    196,822x = 98,176,942,224
  5. Step 5: Solve for x
    x = 98,176,942,224/196,822
  6. Step 6: Final answer
    x = 498,810.81

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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.