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Finding the Third Proportional to 219,415,251 and 300,871,618

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Solution

The third proportional to 219,415,251 and 300,871,618 is: 412,568,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,415,251 : 300,871,618 = 300,871,618 : x
  2. Step 2: Convert to fraction form
    219,415,251/300,871,618 = 300,871,618/x
  3. Step 3: Cross multiply
    219,415,251x = 300,871,618 × 300,871,618
  4. Step 4: Simplify right side
    219,415,251x = 90,523,730,517,937,920
  5. Step 5: Solve for x
    x = 90,523,730,517,937,920/219,415,251
  6. Step 6: Final answer
    x = 412,568,087.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.