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Finding the Third Proportional to 21,680,897 and 33,590,546

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Solution

The third proportional to 21,680,897 and 33,590,546 is: 52,042,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680,897 : 33,590,546 = 33,590,546 : x
  2. Step 2: Convert to fraction form
    21,680,897/33,590,546 = 33,590,546/x
  3. Step 3: Cross multiply
    21,680,897x = 33,590,546 × 33,590,546
  4. Step 4: Simplify right side
    21,680,897x = 1,128,324,780,578,116
  5. Step 5: Solve for x
    x = 1,128,324,780,578,116/21,680,897
  6. Step 6: Final answer
    x = 52,042,347.72

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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.