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Finding the Third Proportional to 171,988 and 260,579

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Solution

The third proportional to 171,988 and 260,579 is: 394,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,988 : 260,579 = 260,579 : x
  2. Step 2: Convert to fraction form
    171,988/260,579 = 260,579/x
  3. Step 3: Cross multiply
    171,988x = 260,579 × 260,579
  4. Step 4: Simplify right side
    171,988x = 67,901,415,241
  5. Step 5: Solve for x
    x = 67,901,415,241/171,988
  6. Step 6: Final answer
    x = 394,803.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.