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Finding the Third Proportional to 18,789,408 and 36,085,824

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Solution

The third proportional to 18,789,408 and 36,085,824 is: 69,304,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,408 : 36,085,824 = 36,085,824 : x
  2. Step 2: Convert to fraction form
    18,789,408/36,085,824 = 36,085,824/x
  3. Step 3: Cross multiply
    18,789,408x = 36,085,824 × 36,085,824
  4. Step 4: Simplify right side
    18,789,408x = 1,302,186,693,758,976
  5. Step 5: Solve for x
    x = 1,302,186,693,758,976/18,789,408
  6. Step 6: Final answer
    x = 69,304,296.00

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.