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Finding the Third Proportional to 4,171,999.50 and 8,663,739

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Solution

The third proportional to 4,171,999.50 and 8,663,739 is: 17,991,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,999.50 : 8,663,739 = 8,663,739 : x
  2. Step 2: Convert to fraction form
    4,171,999.50/8,663,739 = 8,663,739/x
  3. Step 3: Cross multiply
    4,171,999.50x = 8,663,739 × 8,663,739
  4. Step 4: Simplify right side
    4,171,999.50x = 75,060,373,460,121
  5. Step 5: Solve for x
    x = 75,060,373,460,121/4,171,999.50
  6. Step 6: Final answer
    x = 17,991,462.72

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.