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Finding the Third Proportional to 2,990,784.75 and 4,485,079

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Solution

The third proportional to 2,990,784.75 and 4,485,079 is: 6,725,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,784.75 : 4,485,079 = 4,485,079 : x
  2. Step 2: Convert to fraction form
    2,990,784.75/4,485,079 = 4,485,079/x
  3. Step 3: Cross multiply
    2,990,784.75x = 4,485,079 × 4,485,079
  4. Step 4: Simplify right side
    2,990,784.75x = 20,115,933,636,241
  5. Step 5: Solve for x
    x = 20,115,933,636,241/2,990,784.75
  6. Step 6: Final answer
    x = 6,725,971.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.