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Finding the Third Proportional to 196,337 and 427,435

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Solution

The third proportional to 196,337 and 427,435 is: 930,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,337 : 427,435 = 427,435 : x
  2. Step 2: Convert to fraction form
    196,337/427,435 = 427,435/x
  3. Step 3: Cross multiply
    196,337x = 427,435 × 427,435
  4. Step 4: Simplify right side
    196,337x = 182,700,679,225
  5. Step 5: Solve for x
    x = 182,700,679,225/196,337
  6. Step 6: Final answer
    x = 930,546.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.