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Finding the Third Proportional to 388,168 and 848,748

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Solution

The third proportional to 388,168 and 848,748 is: 1,855,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,168 : 848,748 = 848,748 : x
  2. Step 2: Convert to fraction form
    388,168/848,748 = 848,748/x
  3. Step 3: Cross multiply
    388,168x = 848,748 × 848,748
  4. Step 4: Simplify right side
    388,168x = 720,373,167,504
  5. Step 5: Solve for x
    x = 720,373,167,504/388,168
  6. Step 6: Final answer
    x = 1,855,828.32

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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.