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Finding the Third Proportional to 889,218 and 1,947,888

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Solution

The third proportional to 889,218 and 1,947,888 is: 4,266,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,218 : 1,947,888 = 1,947,888 : x
  2. Step 2: Convert to fraction form
    889,218/1,947,888 = 1,947,888/x
  3. Step 3: Cross multiply
    889,218x = 1,947,888 × 1,947,888
  4. Step 4: Simplify right side
    889,218x = 3,794,267,660,544
  5. Step 5: Solve for x
    x = 3,794,267,660,544/889,218
  6. Step 6: Final answer
    x = 4,266,971.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.