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Finding the Third Proportional to 83,760 and 197,574

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Solution

The third proportional to 83,760 and 197,574 is: 466,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760 : 197,574 = 197,574 : x
  2. Step 2: Convert to fraction form
    83,760/197,574 = 197,574/x
  3. Step 3: Cross multiply
    83,760x = 197,574 × 197,574
  4. Step 4: Simplify right side
    83,760x = 39,035,485,476
  5. Step 5: Solve for x
    x = 39,035,485,476/83,760
  6. Step 6: Final answer
    x = 466,039.70

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.