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Finding the Third Proportional to 12,127,137.75 and 18,317,070

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Solution

The third proportional to 12,127,137.75 and 18,317,070 is: 27,666,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,137.75 : 18,317,070 = 18,317,070 : x
  2. Step 2: Convert to fraction form
    12,127,137.75/18,317,070 = 18,317,070/x
  3. Step 3: Cross multiply
    12,127,137.75x = 18,317,070 × 18,317,070
  4. Step 4: Simplify right side
    12,127,137.75x = 335,515,053,384,900
  5. Step 5: Solve for x
    x = 335,515,053,384,900/12,127,137.75
  6. Step 6: Final answer
    x = 27,666,466.75

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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.