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Finding the Third Proportional to 751,782 and 1,234,161

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Solution

The third proportional to 751,782 and 1,234,161 is: 2,026,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,782 : 1,234,161 = 1,234,161 : x
  2. Step 2: Convert to fraction form
    751,782/1,234,161 = 1,234,161/x
  3. Step 3: Cross multiply
    751,782x = 1,234,161 × 1,234,161
  4. Step 4: Simplify right side
    751,782x = 1,523,153,373,921
  5. Step 5: Solve for x
    x = 1,523,153,373,921/751,782
  6. Step 6: Final answer
    x = 2,026,057.25

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.