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Finding the Third Proportional to 5,447,817 and 8,777,889

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Solution

The third proportional to 5,447,817 and 8,777,889 is: 14,143,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,817 : 8,777,889 = 8,777,889 : x
  2. Step 2: Convert to fraction form
    5,447,817/8,777,889 = 8,777,889/x
  3. Step 3: Cross multiply
    5,447,817x = 8,777,889 × 8,777,889
  4. Step 4: Simplify right side
    5,447,817x = 77,051,335,296,321
  5. Step 5: Solve for x
    x = 77,051,335,296,321/5,447,817
  6. Step 6: Final answer
    x = 14,143,524.88

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.