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Finding the Third Proportional to 42,410 and 92,110

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Solution

The third proportional to 42,410 and 92,110 is: 200,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410 : 92,110 = 92,110 : x
  2. Step 2: Convert to fraction form
    42,410/92,110 = 92,110/x
  3. Step 3: Cross multiply
    42,410x = 92,110 × 92,110
  4. Step 4: Simplify right side
    42,410x = 8,484,252,100
  5. Step 5: Solve for x
    x = 8,484,252,100/42,410
  6. Step 6: Final answer
    x = 200,053.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.