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Finding the Third Proportional to 190,073 and 411,516

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Solution

The third proportional to 190,073 and 411,516 is: 890,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,073 : 411,516 = 411,516 : x
  2. Step 2: Convert to fraction form
    190,073/411,516 = 411,516/x
  3. Step 3: Cross multiply
    190,073x = 411,516 × 411,516
  4. Step 4: Simplify right side
    190,073x = 169,345,418,256
  5. Step 5: Solve for x
    x = 169,345,418,256/190,073
  6. Step 6: Final answer
    x = 890,949.36

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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.