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Finding the Third Proportional to 325,080 and 431,341

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Solution

The third proportional to 325,080 and 431,341 is: 572,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,080 : 431,341 = 431,341 : x
  2. Step 2: Convert to fraction form
    325,080/431,341 = 431,341/x
  3. Step 3: Cross multiply
    325,080x = 431,341 × 431,341
  4. Step 4: Simplify right side
    325,080x = 186,055,058,281
  5. Step 5: Solve for x
    x = 186,055,058,281/325,080
  6. Step 6: Final answer
    x = 572,336.22

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.