Finding the Third Proportional to 7,371,975 and 11,539,221
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Solution
The third proportional to 7,371,975 and 11,539,221 is: 18,062,136.85
Step by Step Solution
- Step 1: Write the proportion equation
7,371,975 : 11,539,221 = 11,539,221 : x - Step 2: Convert to fraction form
7,371,975/11,539,221 = 11,539,221/x - Step 3: Cross multiply
7,371,975x = 11,539,221 × 11,539,221 - Step 4: Simplify right side
7,371,975x = 133,153,621,286,841 - Step 5: Solve for x
x = 133,153,621,286,841/7,371,975 - Step 6: Final answer
x = 18,062,136.85
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.