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Finding the Third Proportional to 264,816 and 624,621

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Solution

The third proportional to 264,816 and 624,621 is: 1,473,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,816 : 624,621 = 624,621 : x
  2. Step 2: Convert to fraction form
    264,816/624,621 = 624,621/x
  3. Step 3: Cross multiply
    264,816x = 624,621 × 624,621
  4. Step 4: Simplify right side
    264,816x = 390,151,393,641
  5. Step 5: Solve for x
    x = 390,151,393,641/264,816
  6. Step 6: Final answer
    x = 1,473,292.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.