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Finding the Third Proportional to 8,656,168.50 and 13,508,311.50

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Solution

The third proportional to 8,656,168.50 and 13,508,311.50 is: 21,080,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,168.50 : 13,508,311.50 = 13,508,311.50 : x
  2. Step 2: Convert to fraction form
    8,656,168.50/13,508,311.50 = 13,508,311.50/x
  3. Step 3: Cross multiply
    8,656,168.50x = 13,508,311.50 × 13,508,311.50
  4. Step 4: Simplify right side
    8,656,168.50x = 182,474,479,581,032.25
  5. Step 5: Solve for x
    x = 182,474,479,581,032.25/8,656,168.50
  6. Step 6: Final answer
    x = 21,080,282.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.