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Finding the Third Proportional to 156,906 and 345,483

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Solution

The third proportional to 156,906 and 345,483 is: 760,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,906 : 345,483 = 345,483 : x
  2. Step 2: Convert to fraction form
    156,906/345,483 = 345,483/x
  3. Step 3: Cross multiply
    156,906x = 345,483 × 345,483
  4. Step 4: Simplify right side
    156,906x = 119,358,503,289
  5. Step 5: Solve for x
    x = 119,358,503,289/156,906
  6. Step 6: Final answer
    x = 760,700.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.