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Finding the Third Proportional to 144,872 and 305,476

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Solution

The third proportional to 144,872 and 305,476 is: 644,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,872 : 305,476 = 305,476 : x
  2. Step 2: Convert to fraction form
    144,872/305,476 = 305,476/x
  3. Step 3: Cross multiply
    144,872x = 305,476 × 305,476
  4. Step 4: Simplify right side
    144,872x = 93,315,586,576
  5. Step 5: Solve for x
    x = 93,315,586,576/144,872
  6. Step 6: Final answer
    x = 644,124.38

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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.