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Finding the Third Proportional to 170,657 and 372,370

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Solution

The third proportional to 170,657 and 372,370 is: 812,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,657 : 372,370 = 372,370 : x
  2. Step 2: Convert to fraction form
    170,657/372,370 = 372,370/x
  3. Step 3: Cross multiply
    170,657x = 372,370 × 372,370
  4. Step 4: Simplify right side
    170,657x = 138,659,416,900
  5. Step 5: Solve for x
    x = 138,659,416,900/170,657
  6. Step 6: Final answer
    x = 812,503.54

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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.