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Finding the Third Proportional to 12,127,854 and 18,173,100

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Solution

The third proportional to 12,127,854 and 18,173,100 is: 27,231,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,854 : 18,173,100 = 18,173,100 : x
  2. Step 2: Convert to fraction form
    12,127,854/18,173,100 = 18,173,100/x
  3. Step 3: Cross multiply
    12,127,854x = 18,173,100 × 18,173,100
  4. Step 4: Simplify right side
    12,127,854x = 330,261,563,610,000
  5. Step 5: Solve for x
    x = 330,261,563,610,000/12,127,854
  6. Step 6: Final answer
    x = 27,231,657.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.