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Finding the Third Proportional to 8,538,831 and 18,298,008

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Solution

The third proportional to 8,538,831 and 18,298,008 is: 39,211,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,831 : 18,298,008 = 18,298,008 : x
  2. Step 2: Convert to fraction form
    8,538,831/18,298,008 = 18,298,008/x
  3. Step 3: Cross multiply
    8,538,831x = 18,298,008 × 18,298,008
  4. Step 4: Simplify right side
    8,538,831x = 334,817,096,768,064
  5. Step 5: Solve for x
    x = 334,817,096,768,064/8,538,831
  6. Step 6: Final answer
    x = 39,211,116.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.