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Finding the Third Proportional to 918,226 and 1,983,994

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Solution

The third proportional to 918,226 and 1,983,994 is: 4,286,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,226 : 1,983,994 = 1,983,994 : x
  2. Step 2: Convert to fraction form
    918,226/1,983,994 = 1,983,994/x
  3. Step 3: Cross multiply
    918,226x = 1,983,994 × 1,983,994
  4. Step 4: Simplify right side
    918,226x = 3,936,232,192,036
  5. Step 5: Solve for x
    x = 3,936,232,192,036/918,226
  6. Step 6: Final answer
    x = 4,286,779.28

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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.