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Finding the Third Proportional to 851,958 and 1,864,289.25

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Solution

The third proportional to 851,958 and 1,864,289.25 is: 4,079,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,958 : 1,864,289.25 = 1,864,289.25 : x
  2. Step 2: Convert to fraction form
    851,958/1,864,289.25 = 1,864,289.25/x
  3. Step 3: Cross multiply
    851,958x = 1,864,289.25 × 1,864,289.25
  4. Step 4: Simplify right side
    851,958x = 3,475,574,407,665.56
  5. Step 5: Solve for x
    x = 3,475,574,407,665.56/851,958
  6. Step 6: Final answer
    x = 4,079,513.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.