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Finding the Third Proportional to 1,200,129.75 and 2,833,015.50

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Solution

The third proportional to 1,200,129.75 and 2,833,015.50 is: 6,687,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,129.75 : 2,833,015.50 = 2,833,015.50 : x
  2. Step 2: Convert to fraction form
    1,200,129.75/2,833,015.50 = 2,833,015.50/x
  3. Step 3: Cross multiply
    1,200,129.75x = 2,833,015.50 × 2,833,015.50
  4. Step 4: Simplify right side
    1,200,129.75x = 8,025,976,823,240.25
  5. Step 5: Solve for x
    x = 8,025,976,823,240.25/1,200,129.75
  6. Step 6: Final answer
    x = 6,687,590.92

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.