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Finding the Third Proportional to 170,012 and 372,261

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Solution

The third proportional to 170,012 and 372,261 is: 815,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,012 : 372,261 = 372,261 : x
  2. Step 2: Convert to fraction form
    170,012/372,261 = 372,261/x
  3. Step 3: Cross multiply
    170,012x = 372,261 × 372,261
  4. Step 4: Simplify right side
    170,012x = 138,578,252,121
  5. Step 5: Solve for x
    x = 138,578,252,121/170,012
  6. Step 6: Final answer
    x = 815,108.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.