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Finding the Third Proportional to 21,561,939 and 32,567,481

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Solution

The third proportional to 21,561,939 and 32,567,481 is: 49,190,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,939 : 32,567,481 = 32,567,481 : x
  2. Step 2: Convert to fraction form
    21,561,939/32,567,481 = 32,567,481/x
  3. Step 3: Cross multiply
    21,561,939x = 32,567,481 × 32,567,481
  4. Step 4: Simplify right side
    21,561,939x = 1,060,640,818,685,361
  5. Step 5: Solve for x
    x = 1,060,640,818,685,361/21,561,939
  6. Step 6: Final answer
    x = 49,190,419.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.