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Finding the Third Proportional to 336,618 and 491,906.25

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Solution

The third proportional to 336,618 and 491,906.25 is: 718,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,618 : 491,906.25 = 491,906.25 : x
  2. Step 2: Convert to fraction form
    336,618/491,906.25 = 491,906.25/x
  3. Step 3: Cross multiply
    336,618x = 491,906.25 × 491,906.25
  4. Step 4: Simplify right side
    336,618x = 241,971,758,789.06
  5. Step 5: Solve for x
    x = 241,971,758,789.06/336,618
  6. Step 6: Final answer
    x = 718,831.91

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.