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Finding the Third Proportional to 388,168 and 848,747

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Solution

The third proportional to 388,168 and 848,747 is: 1,855,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,168 : 848,747 = 848,747 : x
  2. Step 2: Convert to fraction form
    388,168/848,747 = 848,747/x
  3. Step 3: Cross multiply
    388,168x = 848,747 × 848,747
  4. Step 4: Simplify right side
    388,168x = 720,371,470,009
  5. Step 5: Solve for x
    x = 720,371,470,009/388,168
  6. Step 6: Final answer
    x = 1,855,823.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.