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Finding the Third Proportional to 18,538,878 and 27,144,655.50

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Solution

The third proportional to 18,538,878 and 27,144,655.50 is: 39,745,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,878 : 27,144,655.50 = 27,144,655.50 : x
  2. Step 2: Convert to fraction form
    18,538,878/27,144,655.50 = 27,144,655.50/x
  3. Step 3: Cross multiply
    18,538,878x = 27,144,655.50 × 27,144,655.50
  4. Step 4: Simplify right side
    18,538,878x = 736,832,322,213,680.25
  5. Step 5: Solve for x
    x = 736,832,322,213,680.25/18,538,878
  6. Step 6: Final answer
    x = 39,745,249.00

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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.