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Finding the Third Proportional to 197,704 and 306,358

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Solution

The third proportional to 197,704 and 306,358 is: 474,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,704 : 306,358 = 306,358 : x
  2. Step 2: Convert to fraction form
    197,704/306,358 = 306,358/x
  3. Step 3: Cross multiply
    197,704x = 306,358 × 306,358
  4. Step 4: Simplify right side
    197,704x = 93,855,224,164
  5. Step 5: Solve for x
    x = 93,855,224,164/197,704
  6. Step 6: Final answer
    x = 474,725.98

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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.