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Finding the Third Proportional to 171,723 and 252,618

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Solution

The third proportional to 171,723 and 252,618 is: 371,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,723 : 252,618 = 252,618 : x
  2. Step 2: Convert to fraction form
    171,723/252,618 = 252,618/x
  3. Step 3: Cross multiply
    171,723x = 252,618 × 252,618
  4. Step 4: Simplify right side
    171,723x = 63,815,853,924
  5. Step 5: Solve for x
    x = 63,815,853,924/171,723
  6. Step 6: Final answer
    x = 371,620.89

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.