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Finding the Third Proportional to 15,238,174 and 20,751,404

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Solution

The third proportional to 15,238,174 and 20,751,404 is: 28,259,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,174 : 20,751,404 = 20,751,404 : x
  2. Step 2: Convert to fraction form
    15,238,174/20,751,404 = 20,751,404/x
  3. Step 3: Cross multiply
    15,238,174x = 20,751,404 × 20,751,404
  4. Step 4: Simplify right side
    15,238,174x = 430,620,767,971,216
  5. Step 5: Solve for x
    x = 430,620,767,971,216/15,238,174
  6. Step 6: Final answer
    x = 28,259,341.83

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.