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Finding the Third Proportional to 918,580 and 1,994,897

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Solution

The third proportional to 918,580 and 1,994,897 is: 4,332,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,580 : 1,994,897 = 1,994,897 : x
  2. Step 2: Convert to fraction form
    918,580/1,994,897 = 1,994,897/x
  3. Step 3: Cross multiply
    918,580x = 1,994,897 × 1,994,897
  4. Step 4: Simplify right side
    918,580x = 3,979,614,040,609
  5. Step 5: Solve for x
    x = 3,979,614,040,609/918,580
  6. Step 6: Final answer
    x = 4,332,354.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.