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Finding the Third Proportional to 156,946 and 343,554

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Solution

The third proportional to 156,946 and 343,554 is: 752,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946 : 343,554 = 343,554 : x
  2. Step 2: Convert to fraction form
    156,946/343,554 = 343,554/x
  3. Step 3: Cross multiply
    156,946x = 343,554 × 343,554
  4. Step 4: Simplify right side
    156,946x = 118,029,350,916
  5. Step 5: Solve for x
    x = 118,029,350,916/156,946
  6. Step 6: Final answer
    x = 752,037.97

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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.