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Finding the Third Proportional to 38,871,863 and 89,990,745

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Solution

The third proportional to 38,871,863 and 89,990,745 is: 208,334,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871,863 : 89,990,745 = 89,990,745 : x
  2. Step 2: Convert to fraction form
    38,871,863/89,990,745 = 89,990,745/x
  3. Step 3: Cross multiply
    38,871,863x = 89,990,745 × 89,990,745
  4. Step 4: Simplify right side
    38,871,863x = 8,098,334,185,655,025
  5. Step 5: Solve for x
    x = 8,098,334,185,655,025/38,871,863
  6. Step 6: Final answer
    x = 208,334,089.51

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.