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Finding the Third Proportional to 351,852 and 766,856

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Solution

The third proportional to 351,852 and 766,856 is: 1,671,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,852 : 766,856 = 766,856 : x
  2. Step 2: Convert to fraction form
    351,852/766,856 = 766,856/x
  3. Step 3: Cross multiply
    351,852x = 766,856 × 766,856
  4. Step 4: Simplify right side
    351,852x = 588,068,124,736
  5. Step 5: Solve for x
    x = 588,068,124,736/351,852
  6. Step 6: Final answer
    x = 1,671,350.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.