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Finding the Third Proportional to 21,678,483 and 31,159,589

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Solution

The third proportional to 21,678,483 and 31,159,589 is: 44,787,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,483 : 31,159,589 = 31,159,589 : x
  2. Step 2: Convert to fraction form
    21,678,483/31,159,589 = 31,159,589/x
  3. Step 3: Cross multiply
    21,678,483x = 31,159,589 × 31,159,589
  4. Step 4: Simplify right side
    21,678,483x = 970,919,986,648,921
  5. Step 5: Solve for x
    x = 970,919,986,648,921/21,678,483
  6. Step 6: Final answer
    x = 44,787,266.09

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.