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Finding the Third Proportional to 17,871,121 and 39,019,552

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Solution

The third proportional to 17,871,121 and 39,019,552 is: 85,194,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871,121 : 39,019,552 = 39,019,552 : x
  2. Step 2: Convert to fraction form
    17,871,121/39,019,552 = 39,019,552/x
  3. Step 3: Cross multiply
    17,871,121x = 39,019,552 × 39,019,552
  4. Step 4: Simplify right side
    17,871,121x = 1,522,525,438,280,704
  5. Step 5: Solve for x
    x = 1,522,525,438,280,704/17,871,121
  6. Step 6: Final answer
    x = 85,194,736.15

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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.