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Finding the Third Proportional to 919,148 and 1,379,694

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Solution

The third proportional to 919,148 and 1,379,694 is: 2,071,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,148 : 1,379,694 = 1,379,694 : x
  2. Step 2: Convert to fraction form
    919,148/1,379,694 = 1,379,694/x
  3. Step 3: Cross multiply
    919,148x = 1,379,694 × 1,379,694
  4. Step 4: Simplify right side
    919,148x = 1,903,555,533,636
  5. Step 5: Solve for x
    x = 1,903,555,533,636/919,148
  6. Step 6: Final answer
    x = 2,071,000.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.