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Finding the Third Proportional to 936,811 and 2,015,709

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Solution

The third proportional to 936,811 and 2,015,709 is: 4,337,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,811 : 2,015,709 = 2,015,709 : x
  2. Step 2: Convert to fraction form
    936,811/2,015,709 = 2,015,709/x
  3. Step 3: Cross multiply
    936,811x = 2,015,709 × 2,015,709
  4. Step 4: Simplify right side
    936,811x = 4,063,082,772,681
  5. Step 5: Solve for x
    x = 4,063,082,772,681/936,811
  6. Step 6: Final answer
    x = 4,337,142.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.