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Finding the Third Proportional to 29,540 and 40,618

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Solution

The third proportional to 29,540 and 40,618 is: 55,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,540 : 40,618 = 40,618 : x
  2. Step 2: Convert to fraction form
    29,540/40,618 = 40,618/x
  3. Step 3: Cross multiply
    29,540x = 40,618 × 40,618
  4. Step 4: Simplify right side
    29,540x = 1,649,821,924
  5. Step 5: Solve for x
    x = 1,649,821,924/29,540
  6. Step 6: Final answer
    x = 55,850.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.