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Finding the Third Proportional to 156,785 and 335,705

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Solution

The third proportional to 156,785 and 335,705 is: 718,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785 : 335,705 = 335,705 : x
  2. Step 2: Convert to fraction form
    156,785/335,705 = 335,705/x
  3. Step 3: Cross multiply
    156,785x = 335,705 × 335,705
  4. Step 4: Simplify right side
    156,785x = 112,697,847,025
  5. Step 5: Solve for x
    x = 112,697,847,025/156,785
  6. Step 6: Final answer
    x = 718,805.03

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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.