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Finding the Third Proportional to 156,956 and 340,015

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Solution

The third proportional to 156,956 and 340,015 is: 736,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956 : 340,015 = 340,015 : x
  2. Step 2: Convert to fraction form
    156,956/340,015 = 340,015/x
  3. Step 3: Cross multiply
    156,956x = 340,015 × 340,015
  4. Step 4: Simplify right side
    156,956x = 115,610,200,225
  5. Step 5: Solve for x
    x = 115,610,200,225/156,956
  6. Step 6: Final answer
    x = 736,577.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.