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Finding the Third Proportional to 438,626 and 943,780

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Solution

The third proportional to 438,626 and 943,780 is: 2,030,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,626 : 943,780 = 943,780 : x
  2. Step 2: Convert to fraction form
    438,626/943,780 = 943,780/x
  3. Step 3: Cross multiply
    438,626x = 943,780 × 943,780
  4. Step 4: Simplify right side
    438,626x = 890,720,688,400
  5. Step 5: Solve for x
    x = 890,720,688,400/438,626
  6. Step 6: Final answer
    x = 2,030,706.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.