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Finding the Third Proportional to 80,777,368 and 173,871,920

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Solution

The third proportional to 80,777,368 and 173,871,920 is: 374,256,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,777,368 : 173,871,920 = 173,871,920 : x
  2. Step 2: Convert to fraction form
    80,777,368/173,871,920 = 173,871,920/x
  3. Step 3: Cross multiply
    80,777,368x = 173,871,920 × 173,871,920
  4. Step 4: Simplify right side
    80,777,368x = 30,231,444,564,486,400
  5. Step 5: Solve for x
    x = 30,231,444,564,486,400/80,777,368
  6. Step 6: Final answer
    x = 374,256,370.48

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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.