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Finding the Third Proportional to 30,871,606.50 and 60,962,451.75

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Solution

The third proportional to 30,871,606.50 and 60,962,451.75 is: 120,383,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,606.50 : 60,962,451.75 = 60,962,451.75 : x
  2. Step 2: Convert to fraction form
    30,871,606.50/60,962,451.75 = 60,962,451.75/x
  3. Step 3: Cross multiply
    30,871,606.50x = 60,962,451.75 × 60,962,451.75
  4. Step 4: Simplify right side
    30,871,606.50x = 3,716,420,523,371,078
  5. Step 5: Solve for x
    x = 3,716,420,523,371,078/30,871,606.50
  6. Step 6: Final answer
    x = 120,383,126.92

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.