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Finding the Third Proportional to 2,789,712.75 and 4,308,865.88

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Solution

The third proportional to 2,789,712.75 and 4,308,865.88 is: 6,655,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,712.75 : 4,308,865.88 = 4,308,865.88 : x
  2. Step 2: Convert to fraction form
    2,789,712.75/4,308,865.88 = 4,308,865.88/x
  3. Step 3: Cross multiply
    2,789,712.75x = 4,308,865.88 × 4,308,865.88
  4. Step 4: Simplify right side
    2,789,712.75x = 18,566,325,128,739.52
  5. Step 5: Solve for x
    x = 18,566,325,128,739.52/2,789,712.75
  6. Step 6: Final answer
    x = 6,655,282.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.