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Finding the Third Proportional to 248,062 and 394,242

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Solution

The third proportional to 248,062 and 394,242 is: 626,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062 : 394,242 = 394,242 : x
  2. Step 2: Convert to fraction form
    248,062/394,242 = 394,242/x
  3. Step 3: Cross multiply
    248,062x = 394,242 × 394,242
  4. Step 4: Simplify right side
    248,062x = 155,426,754,564
  5. Step 5: Solve for x
    x = 155,426,754,564/248,062
  6. Step 6: Final answer
    x = 626,564.14

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.