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Finding the Third Proportional to 983,286 and 2,161,703

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Solution

The third proportional to 983,286 and 2,161,703 is: 4,752,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,286 : 2,161,703 = 2,161,703 : x
  2. Step 2: Convert to fraction form
    983,286/2,161,703 = 2,161,703/x
  3. Step 3: Cross multiply
    983,286x = 2,161,703 × 2,161,703
  4. Step 4: Simplify right side
    983,286x = 4,672,959,860,209
  5. Step 5: Solve for x
    x = 4,672,959,860,209/983,286
  6. Step 6: Final answer
    x = 4,752,391.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.