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Finding the Third Proportional to 8,656,218 and 13,508,388

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Solution

The third proportional to 8,656,218 and 13,508,388 is: 21,080,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,218 : 13,508,388 = 13,508,388 : x
  2. Step 2: Convert to fraction form
    8,656,218/13,508,388 = 13,508,388/x
  3. Step 3: Cross multiply
    8,656,218x = 13,508,388 × 13,508,388
  4. Step 4: Simplify right side
    8,656,218x = 182,476,546,358,544
  5. Step 5: Solve for x
    x = 182,476,546,358,544/8,656,218
  6. Step 6: Final answer
    x = 21,080,400.97

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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.