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Finding the Third Proportional to 197,914 and 306,683

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Solution

The third proportional to 197,914 and 306,683 is: 475,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,914 : 306,683 = 306,683 : x
  2. Step 2: Convert to fraction form
    197,914/306,683 = 306,683/x
  3. Step 3: Cross multiply
    197,914x = 306,683 × 306,683
  4. Step 4: Simplify right side
    197,914x = 94,054,462,489
  5. Step 5: Solve for x
    x = 94,054,462,489/197,914
  6. Step 6: Final answer
    x = 475,228.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.