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Finding the Third Proportional to 888,912 and 1,916,820

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Solution

The third proportional to 888,912 and 1,916,820 is: 4,133,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,912 : 1,916,820 = 1,916,820 : x
  2. Step 2: Convert to fraction form
    888,912/1,916,820 = 1,916,820/x
  3. Step 3: Cross multiply
    888,912x = 1,916,820 × 1,916,820
  4. Step 4: Simplify right side
    888,912x = 3,674,198,912,400
  5. Step 5: Solve for x
    x = 3,674,198,912,400/888,912
  6. Step 6: Final answer
    x = 4,133,366.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.