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Finding the Third Proportional to 20,871,589 and 45,448,502

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Solution

The third proportional to 20,871,589 and 45,448,502 is: 98,965,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871,589 : 45,448,502 = 45,448,502 : x
  2. Step 2: Convert to fraction form
    20,871,589/45,448,502 = 45,448,502/x
  3. Step 3: Cross multiply
    20,871,589x = 45,448,502 × 45,448,502
  4. Step 4: Simplify right side
    20,871,589x = 2,065,566,334,044,004
  5. Step 5: Solve for x
    x = 2,065,566,334,044,004/20,871,589
  6. Step 6: Final answer
    x = 98,965,456.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.