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Finding the Third Proportional to 3,887,206.50 and 8,458,090.50

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Solution

The third proportional to 3,887,206.50 and 8,458,090.50 is: 18,403,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,206.50 : 8,458,090.50 = 8,458,090.50 : x
  2. Step 2: Convert to fraction form
    3,887,206.50/8,458,090.50 = 8,458,090.50/x
  3. Step 3: Cross multiply
    3,887,206.50x = 8,458,090.50 × 8,458,090.50
  4. Step 4: Simplify right side
    3,887,206.50x = 71,539,294,906,190.25
  5. Step 5: Solve for x
    x = 71,539,294,906,190.25/3,887,206.50
  6. Step 6: Final answer
    x = 18,403,780.43

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.