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Finding the Third Proportional to 312,562,540 and 680,669,048

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Solution

The third proportional to 312,562,540 and 680,669,048 is: 1,482,296,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,562,540 : 680,669,048 = 680,669,048 : x
  2. Step 2: Convert to fraction form
    312,562,540/680,669,048 = 680,669,048/x
  3. Step 3: Cross multiply
    312,562,540x = 680,669,048 × 680,669,048
  4. Step 4: Simplify right side
    312,562,540x = 463,310,352,905,226,304
  5. Step 5: Solve for x
    x = 463,310,352,905,226,304/312,562,540
  6. Step 6: Final answer
    x = 1,482,296,480.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.