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Finding the Third Proportional to 21,613,789 and 33,430,686

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Solution

The third proportional to 21,613,789 and 33,430,686 is: 51,708,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,789 : 33,430,686 = 33,430,686 : x
  2. Step 2: Convert to fraction form
    21,613,789/33,430,686 = 33,430,686/x
  3. Step 3: Cross multiply
    21,613,789x = 33,430,686 × 33,430,686
  4. Step 4: Simplify right side
    21,613,789x = 1,117,610,766,430,596
  5. Step 5: Solve for x
    x = 1,117,610,766,430,596/21,613,789
  6. Step 6: Final answer
    x = 51,708,229.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.