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Finding the Third Proportional to 156,783 and 335,701

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Solution

The third proportional to 156,783 and 335,701 is: 718,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783 : 335,701 = 335,701 : x
  2. Step 2: Convert to fraction form
    156,783/335,701 = 335,701/x
  3. Step 3: Cross multiply
    156,783x = 335,701 × 335,701
  4. Step 4: Simplify right side
    156,783x = 112,695,161,401
  5. Step 5: Solve for x
    x = 112,695,161,401/156,783
  6. Step 6: Final answer
    x = 718,797.07

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.