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Finding the Third Proportional to 144,916 and 305,588

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Solution

The third proportional to 144,916 and 305,588 is: 644,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,916 : 305,588 = 305,588 : x
  2. Step 2: Convert to fraction form
    144,916/305,588 = 305,588/x
  3. Step 3: Cross multiply
    144,916x = 305,588 × 305,588
  4. Step 4: Simplify right side
    144,916x = 93,384,025,744
  5. Step 5: Solve for x
    x = 93,384,025,744/144,916
  6. Step 6: Final answer
    x = 644,401.07

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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.