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Finding the Third Proportional to 375,321 and 582,021

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Solution

The third proportional to 375,321 and 582,021 is: 902,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,321 : 582,021 = 582,021 : x
  2. Step 2: Convert to fraction form
    375,321/582,021 = 582,021/x
  3. Step 3: Cross multiply
    375,321x = 582,021 × 582,021
  4. Step 4: Simplify right side
    375,321x = 338,748,444,441
  5. Step 5: Solve for x
    x = 338,748,444,441/375,321
  6. Step 6: Final answer
    x = 902,556.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.