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Finding the Third Proportional to 8,656,171 and 13,508,316

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Solution

The third proportional to 8,656,171 and 13,508,316 is: 21,080,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,171 : 13,508,316 = 13,508,316 : x
  2. Step 2: Convert to fraction form
    8,656,171/13,508,316 = 13,508,316/x
  3. Step 3: Cross multiply
    8,656,171x = 13,508,316 × 13,508,316
  4. Step 4: Simplify right side
    8,656,171x = 182,474,601,155,856
  5. Step 5: Solve for x
    x = 182,474,601,155,856/8,656,171
  6. Step 6: Final answer
    x = 21,080,290.71

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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.