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Finding the Third Proportional to 196,294 and 423,692

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Solution

The third proportional to 196,294 and 423,692 is: 914,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,294 : 423,692 = 423,692 : x
  2. Step 2: Convert to fraction form
    196,294/423,692 = 423,692/x
  3. Step 3: Cross multiply
    196,294x = 423,692 × 423,692
  4. Step 4: Simplify right side
    196,294x = 179,514,910,864
  5. Step 5: Solve for x
    x = 179,514,910,864/196,294
  6. Step 6: Final answer
    x = 914,520.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.