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Finding the Third Proportional to 447,973,407.50 and 622,871,215

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Solution

The third proportional to 447,973,407.50 and 622,871,215 is: 866,052,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,973,407.50 : 622,871,215 = 622,871,215 : x
  2. Step 2: Convert to fraction form
    447,973,407.50/622,871,215 = 622,871,215/x
  3. Step 3: Cross multiply
    447,973,407.50x = 622,871,215 × 622,871,215
  4. Step 4: Simplify right side
    447,973,407.50x = 387,968,550,475,576,256
  5. Step 5: Solve for x
    x = 387,968,550,475,576,256/447,973,407.50
  6. Step 6: Final answer
    x = 866,052,636.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.