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Finding the Third Proportional to 156,682 and 335,498

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Solution

The third proportional to 156,682 and 335,498 is: 718,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,682 : 335,498 = 335,498 : x
  2. Step 2: Convert to fraction form
    156,682/335,498 = 335,498/x
  3. Step 3: Cross multiply
    156,682x = 335,498 × 335,498
  4. Step 4: Simplify right side
    156,682x = 112,558,908,004
  5. Step 5: Solve for x
    x = 112,558,908,004/156,682
  6. Step 6: Final answer
    x = 718,390.80

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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.