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Finding the Third Proportional to 156,146 and 347,228

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Solution

The third proportional to 156,146 and 347,228 is: 772,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,146 : 347,228 = 347,228 : x
  2. Step 2: Convert to fraction form
    156,146/347,228 = 347,228/x
  3. Step 3: Cross multiply
    156,146x = 347,228 × 347,228
  4. Step 4: Simplify right side
    156,146x = 120,567,283,984
  5. Step 5: Solve for x
    x = 120,567,283,984/156,146
  6. Step 6: Final answer
    x = 772,144.56

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.