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Finding the Third Proportional to 190,008 and 401,376

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Solution

The third proportional to 190,008 and 401,376 is: 847,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,008 : 401,376 = 401,376 : x
  2. Step 2: Convert to fraction form
    190,008/401,376 = 401,376/x
  3. Step 3: Cross multiply
    190,008x = 401,376 × 401,376
  4. Step 4: Simplify right side
    190,008x = 161,102,693,376
  5. Step 5: Solve for x
    x = 161,102,693,376/190,008
  6. Step 6: Final answer
    x = 847,873.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.