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Finding the Third Proportional to 169,618 and 262,397

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Solution

The third proportional to 169,618 and 262,397 is: 405,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,618 : 262,397 = 262,397 : x
  2. Step 2: Convert to fraction form
    169,618/262,397 = 262,397/x
  3. Step 3: Cross multiply
    169,618x = 262,397 × 262,397
  4. Step 4: Simplify right side
    169,618x = 68,852,185,609
  5. Step 5: Solve for x
    x = 68,852,185,609/169,618
  6. Step 6: Final answer
    x = 405,924.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.