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Finding the Third Proportional to 751,134 and 1,620,228

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Solution

The third proportional to 751,134 and 1,620,228 is: 3,494,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,134 : 1,620,228 = 1,620,228 : x
  2. Step 2: Convert to fraction form
    751,134/1,620,228 = 1,620,228/x
  3. Step 3: Cross multiply
    751,134x = 1,620,228 × 1,620,228
  4. Step 4: Simplify right side
    751,134x = 2,625,138,771,984
  5. Step 5: Solve for x
    x = 2,625,138,771,984/751,134
  6. Step 6: Final answer
    x = 3,494,900.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.