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Finding the Third Proportional to 170,190 and 371,540.25

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Solution

The third proportional to 170,190 and 371,540.25 is: 811,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,190 : 371,540.25 = 371,540.25 : x
  2. Step 2: Convert to fraction form
    170,190/371,540.25 = 371,540.25/x
  3. Step 3: Cross multiply
    170,190x = 371,540.25 × 371,540.25
  4. Step 4: Simplify right side
    170,190x = 138,042,157,370.06
  5. Step 5: Solve for x
    x = 138,042,157,370.06/170,190
  6. Step 6: Final answer
    x = 811,106.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.