Finding the Third Proportional to 18,926,338.50 and 28,357,431.75
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Solution
The third proportional to 18,926,338.50 and 28,357,431.75 is: 42,488,087.99
Step by Step Solution
- Step 1: Write the proportion equation
18,926,338.50 : 28,357,431.75 = 28,357,431.75 : x - Step 2: Convert to fraction form
18,926,338.50/28,357,431.75 = 28,357,431.75/x - Step 3: Cross multiply
18,926,338.50x = 28,357,431.75 × 28,357,431.75 - Step 4: Simplify right side
18,926,338.50x = 804,143,935,455,908 - Step 5: Solve for x
x = 804,143,935,455,908/18,926,338.50 - Step 6: Final answer
x = 42,488,087.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.