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Finding the Third Proportional to 156,975 and 343,094

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Solution

The third proportional to 156,975 and 343,094 is: 749,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975 : 343,094 = 343,094 : x
  2. Step 2: Convert to fraction form
    156,975/343,094 = 343,094/x
  3. Step 3: Cross multiply
    156,975x = 343,094 × 343,094
  4. Step 4: Simplify right side
    156,975x = 117,713,492,836
  5. Step 5: Solve for x
    x = 117,713,492,836/156,975
  6. Step 6: Final answer
    x = 749,886.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.