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Finding the Third Proportional to 144,472 and 313,946

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Solution

The third proportional to 144,472 and 313,946 is: 682,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472 : 313,946 = 313,946 : x
  2. Step 2: Convert to fraction form
    144,472/313,946 = 313,946/x
  3. Step 3: Cross multiply
    144,472x = 313,946 × 313,946
  4. Step 4: Simplify right side
    144,472x = 98,562,090,916
  5. Step 5: Solve for x
    x = 98,562,090,916/144,472
  6. Step 6: Final answer
    x = 682,222.79

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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.