Finding the Third Proportional to 7,136,721 and 15,559,803
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Solution
The third proportional to 7,136,721 and 15,559,803 is: 33,924,188.63
Step by Step Solution
- Step 1: Write the proportion equation
7,136,721 : 15,559,803 = 15,559,803 : x - Step 2: Convert to fraction form
7,136,721/15,559,803 = 15,559,803/x - Step 3: Cross multiply
7,136,721x = 15,559,803 × 15,559,803 - Step 4: Simplify right side
7,136,721x = 242,107,469,398,809 - Step 5: Solve for x
x = 242,107,469,398,809/7,136,721 - Step 6: Final answer
x = 33,924,188.63
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.