Finding the Third Proportional to 11,104,621 and 15,128,137
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Solution
The third proportional to 11,104,621 and 15,128,137 is: 20,609,485.82
Step by Step Solution
- Step 1: Write the proportion equation
11,104,621 : 15,128,137 = 15,128,137 : x - Step 2: Convert to fraction form
11,104,621/15,128,137 = 15,128,137/x - Step 3: Cross multiply
11,104,621x = 15,128,137 × 15,128,137 - Step 4: Simplify right side
11,104,621x = 228,860,529,090,769 - Step 5: Solve for x
x = 228,860,529,090,769/11,104,621 - Step 6: Final answer
x = 20,609,485.82
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.