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Finding the Third Proportional to 70,668 and 154,618

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Solution

The third proportional to 70,668 and 154,618 is: 338,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668 : 154,618 = 154,618 : x
  2. Step 2: Convert to fraction form
    70,668/154,618 = 154,618/x
  3. Step 3: Cross multiply
    70,668x = 154,618 × 154,618
  4. Step 4: Simplify right side
    70,668x = 23,906,725,924
  5. Step 5: Solve for x
    x = 23,906,725,924/70,668
  6. Step 6: Final answer
    x = 338,296.34

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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.