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Finding the Third Proportional to 40,871,600 and 68,116,608

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Solution

The third proportional to 40,871,600 and 68,116,608 is: 113,523,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871,600 : 68,116,608 = 68,116,608 : x
  2. Step 2: Convert to fraction form
    40,871,600/68,116,608 = 68,116,608/x
  3. Step 3: Cross multiply
    40,871,600x = 68,116,608 × 68,116,608
  4. Step 4: Simplify right side
    40,871,600x = 4,639,872,285,425,664
  5. Step 5: Solve for x
    x = 4,639,872,285,425,664/40,871,600
  6. Step 6: Final answer
    x = 113,523,137.96

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.