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Finding the Third Proportional to 751,290 and 1,670,556

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Solution

The third proportional to 751,290 and 1,670,556 is: 3,714,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,290 : 1,670,556 = 1,670,556 : x
  2. Step 2: Convert to fraction form
    751,290/1,670,556 = 1,670,556/x
  3. Step 3: Cross multiply
    751,290x = 1,670,556 × 1,670,556
  4. Step 4: Simplify right side
    751,290x = 2,790,757,349,136
  5. Step 5: Solve for x
    x = 2,790,757,349,136/751,290
  6. Step 6: Final answer
    x = 3,714,620.65

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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.