Finding the Third Proportional to 7,129,312 and 15,395,072
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Solution
The third proportional to 7,129,312 and 15,395,072 is: 33,244,195.50
Step by Step Solution
- Step 1: Write the proportion equation
7,129,312 : 15,395,072 = 15,395,072 : x - Step 2: Convert to fraction form
7,129,312/15,395,072 = 15,395,072/x - Step 3: Cross multiply
7,129,312x = 15,395,072 × 15,395,072 - Step 4: Simplify right side
7,129,312x = 237,008,241,885,184 - Step 5: Solve for x
x = 237,008,241,885,184/7,129,312 - Step 6: Final answer
x = 33,244,195.50
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.