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Finding the Third Proportional to 9,388,018 and 20,123,407

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Solution

The third proportional to 9,388,018 and 20,123,407 is: 43,134,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388,018 : 20,123,407 = 20,123,407 : x
  2. Step 2: Convert to fraction form
    9,388,018/20,123,407 = 20,123,407/x
  3. Step 3: Cross multiply
    9,388,018x = 20,123,407 × 20,123,407
  4. Step 4: Simplify right side
    9,388,018x = 404,951,509,287,649
  5. Step 5: Solve for x
    x = 404,951,509,287,649/9,388,018
  6. Step 6: Final answer
    x = 43,134,931.07

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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.