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Finding the Third Proportional to 231,425 and 350,040

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Solution

The third proportional to 231,425 and 350,040 is: 529,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,425 : 350,040 = 350,040 : x
  2. Step 2: Convert to fraction form
    231,425/350,040 = 350,040/x
  3. Step 3: Cross multiply
    231,425x = 350,040 × 350,040
  4. Step 4: Simplify right side
    231,425x = 122,528,001,600
  5. Step 5: Solve for x
    x = 122,528,001,600/231,425
  6. Step 6: Final answer
    x = 529,450.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.