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Finding the Third Proportional to 196,913 and 295,309

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Solution

The third proportional to 196,913 and 295,309 is: 442,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,913 : 295,309 = 295,309 : x
  2. Step 2: Convert to fraction form
    196,913/295,309 = 295,309/x
  3. Step 3: Cross multiply
    196,913x = 295,309 × 295,309
  4. Step 4: Simplify right side
    196,913x = 87,207,405,481
  5. Step 5: Solve for x
    x = 87,207,405,481/196,913
  6. Step 6: Final answer
    x = 442,872.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.