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Finding the Third Proportional to 156,264 and 331,080

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Solution

The third proportional to 156,264 and 331,080 is: 701,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,264 : 331,080 = 331,080 : x
  2. Step 2: Convert to fraction form
    156,264/331,080 = 331,080/x
  3. Step 3: Cross multiply
    156,264x = 331,080 × 331,080
  4. Step 4: Simplify right side
    156,264x = 109,613,966,400
  5. Step 5: Solve for x
    x = 109,613,966,400/156,264
  6. Step 6: Final answer
    x = 701,466.53

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.