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Finding the Third Proportional to 918,228 and 1,983,998

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Solution

The third proportional to 918,228 and 1,983,998 is: 4,286,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,228 : 1,983,998 = 1,983,998 : x
  2. Step 2: Convert to fraction form
    918,228/1,983,998 = 1,983,998/x
  3. Step 3: Cross multiply
    918,228x = 1,983,998 × 1,983,998
  4. Step 4: Simplify right side
    918,228x = 3,936,248,064,004
  5. Step 5: Solve for x
    x = 3,936,248,064,004/918,228
  6. Step 6: Final answer
    x = 4,286,787.23

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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.