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Finding the Third Proportional to 219,415,253 and 300,871,621

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Solution

The third proportional to 219,415,253 and 300,871,621 is: 412,568,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,415,253 : 300,871,621 = 300,871,621 : x
  2. Step 2: Convert to fraction form
    219,415,253/300,871,621 = 300,871,621/x
  3. Step 3: Cross multiply
    219,415,253x = 300,871,621 × 300,871,621
  4. Step 4: Simplify right side
    219,415,253x = 90,523,732,323,167,648
  5. Step 5: Solve for x
    x = 90,523,732,323,167,648/219,415,253
  6. Step 6: Final answer
    x = 412,568,092.17

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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.