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Finding the Third Proportional to 196,921 and 295,309.50

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Solution

The third proportional to 196,921 and 295,309.50 is: 442,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,921 : 295,309.50 = 295,309.50 : x
  2. Step 2: Convert to fraction form
    196,921/295,309.50 = 295,309.50/x
  3. Step 3: Cross multiply
    196,921x = 295,309.50 × 295,309.50
  4. Step 4: Simplify right side
    196,921x = 87,207,700,790.25
  5. Step 5: Solve for x
    x = 87,207,700,790.25/196,921
  6. Step 6: Final answer
    x = 442,856.28

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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.