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Finding the Third Proportional to 916,599 and 2,015,934

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Solution

The third proportional to 916,599 and 2,015,934 is: 4,433,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,599 : 2,015,934 = 2,015,934 : x
  2. Step 2: Convert to fraction form
    916,599/2,015,934 = 2,015,934/x
  3. Step 3: Cross multiply
    916,599x = 2,015,934 × 2,015,934
  4. Step 4: Simplify right side
    916,599x = 4,063,989,892,356
  5. Step 5: Solve for x
    x = 4,063,989,892,356/916,599
  6. Step 6: Final answer
    x = 4,433,770.81

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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.