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Finding the Third Proportional to 185,154 and 399,084

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Solution

The third proportional to 185,154 and 399,084 is: 860,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,154 : 399,084 = 399,084 : x
  2. Step 2: Convert to fraction form
    185,154/399,084 = 399,084/x
  3. Step 3: Cross multiply
    185,154x = 399,084 × 399,084
  4. Step 4: Simplify right side
    185,154x = 159,268,039,056
  5. Step 5: Solve for x
    x = 159,268,039,056/185,154
  6. Step 6: Final answer
    x = 860,192.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.