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Finding the Third Proportional to 8,388,171 and 18,346,356

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Solution

The third proportional to 8,388,171 and 18,346,356 is: 40,126,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,171 : 18,346,356 = 18,346,356 : x
  2. Step 2: Convert to fraction form
    8,388,171/18,346,356 = 18,346,356/x
  3. Step 3: Cross multiply
    8,388,171x = 18,346,356 × 18,346,356
  4. Step 4: Simplify right side
    8,388,171x = 336,588,778,478,736
  5. Step 5: Solve for x
    x = 336,588,778,478,736/8,388,171
  6. Step 6: Final answer
    x = 40,126,599.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.