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Finding the Third Proportional to 350,912 and 771,792

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Solution

The third proportional to 350,912 and 771,792 is: 1,697,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,912 : 771,792 = 771,792 : x
  2. Step 2: Convert to fraction form
    350,912/771,792 = 771,792/x
  3. Step 3: Cross multiply
    350,912x = 771,792 × 771,792
  4. Step 4: Simplify right side
    350,912x = 595,662,891,264
  5. Step 5: Solve for x
    x = 595,662,891,264/350,912
  6. Step 6: Final answer
    x = 1,697,470.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.