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Finding the Third Proportional to 3,978,022.50 and 6,118,058.25

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Solution

The third proportional to 3,978,022.50 and 6,118,058.25 is: 9,409,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,022.50 : 6,118,058.25 = 6,118,058.25 : x
  2. Step 2: Convert to fraction form
    3,978,022.50/6,118,058.25 = 6,118,058.25/x
  3. Step 3: Cross multiply
    3,978,022.50x = 6,118,058.25 × 6,118,058.25
  4. Step 4: Simplify right side
    3,978,022.50x = 37,430,636,750,393.06
  5. Step 5: Solve for x
    x = 37,430,636,750,393.06/3,978,022.50
  6. Step 6: Final answer
    x = 9,409,357.73

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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.