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Finding the Third Proportional to 18,538,818 and 27,144,567

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Solution

The third proportional to 18,538,818 and 27,144,567 is: 39,745,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,818 : 27,144,567 = 27,144,567 : x
  2. Step 2: Convert to fraction form
    18,538,818/27,144,567 = 27,144,567/x
  3. Step 3: Cross multiply
    18,538,818x = 27,144,567 × 27,144,567
  4. Step 4: Simplify right side
    18,538,818x = 736,827,517,617,489
  5. Step 5: Solve for x
    x = 736,827,517,617,489/18,538,818
  6. Step 6: Final answer
    x = 39,745,118.47

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.