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Finding the Third Proportional to 80,777,360 and 173,871,904

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Solution

The third proportional to 80,777,360 and 173,871,904 is: 374,256,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,777,360 : 173,871,904 = 173,871,904 : x
  2. Step 2: Convert to fraction form
    80,777,360/173,871,904 = 173,871,904/x
  3. Step 3: Cross multiply
    80,777,360x = 173,871,904 × 173,871,904
  4. Step 4: Simplify right side
    80,777,360x = 30,231,439,000,585,216
  5. Step 5: Solve for x
    x = 30,231,439,000,585,216/80,777,360
  6. Step 6: Final answer
    x = 374,256,338.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.