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Finding the Third Proportional to 919,140 and 1,379,682

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Solution

The third proportional to 919,140 and 1,379,682 is: 2,070,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,140 : 1,379,682 = 1,379,682 : x
  2. Step 2: Convert to fraction form
    919,140/1,379,682 = 1,379,682/x
  3. Step 3: Cross multiply
    919,140x = 1,379,682 × 1,379,682
  4. Step 4: Simplify right side
    919,140x = 1,903,522,421,124
  5. Step 5: Solve for x
    x = 1,903,522,421,124/919,140
  6. Step 6: Final answer
    x = 2,070,982.03

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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.