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Finding the Third Proportional to 12,644,463 and 18,068,668

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Solution

The third proportional to 12,644,463 and 18,068,668 is: 25,819,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,463 : 18,068,668 = 18,068,668 : x
  2. Step 2: Convert to fraction form
    12,644,463/18,068,668 = 18,068,668/x
  3. Step 3: Cross multiply
    12,644,463x = 18,068,668 × 18,068,668
  4. Step 4: Simplify right side
    12,644,463x = 326,476,763,294,224
  5. Step 5: Solve for x
    x = 326,476,763,294,224/12,644,463
  6. Step 6: Final answer
    x = 25,819,741.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.