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Finding the Third Proportional to 156,971 and 343,101

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Solution

The third proportional to 156,971 and 343,101 is: 749,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971 : 343,101 = 343,101 : x
  2. Step 2: Convert to fraction form
    156,971/343,101 = 343,101/x
  3. Step 3: Cross multiply
    156,971x = 343,101 × 343,101
  4. Step 4: Simplify right side
    156,971x = 117,718,296,201
  5. Step 5: Solve for x
    x = 117,718,296,201/156,971
  6. Step 6: Final answer
    x = 749,936.59

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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.