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Finding the Third Proportional to 3,939,957.50 and 8,627,245

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Solution

The third proportional to 3,939,957.50 and 8,627,245 is: 18,890,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,957.50 : 8,627,245 = 8,627,245 : x
  2. Step 2: Convert to fraction form
    3,939,957.50/8,627,245 = 8,627,245/x
  3. Step 3: Cross multiply
    3,939,957.50x = 8,627,245 × 8,627,245
  4. Step 4: Simplify right side
    3,939,957.50x = 74,429,356,290,025
  5. Step 5: Solve for x
    x = 74,429,356,290,025/3,939,957.50
  6. Step 6: Final answer
    x = 18,890,903.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.