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Finding the Third Proportional to 196,803.50 and 313,306

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Solution

The third proportional to 196,803.50 and 313,306 is: 498,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,803.50 : 313,306 = 313,306 : x
  2. Step 2: Convert to fraction form
    196,803.50/313,306 = 313,306/x
  3. Step 3: Cross multiply
    196,803.50x = 313,306 × 313,306
  4. Step 4: Simplify right side
    196,803.50x = 98,160,649,636
  5. Step 5: Solve for x
    x = 98,160,649,636/196,803.50
  6. Step 6: Final answer
    x = 498,774.92

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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.