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Finding the Third Proportional to 43,408 and 92,145

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Solution

The third proportional to 43,408 and 92,145 is: 195,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,408 : 92,145 = 92,145 : x
  2. Step 2: Convert to fraction form
    43,408/92,145 = 92,145/x
  3. Step 3: Cross multiply
    43,408x = 92,145 × 92,145
  4. Step 4: Simplify right side
    43,408x = 8,490,701,025
  5. Step 5: Solve for x
    x = 8,490,701,025/43,408
  6. Step 6: Final answer
    x = 195,602.22

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.