Finding the Third Proportional to 7,509,872 and 15,417,860
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Solution
The third proportional to 7,509,872 and 15,417,860 is: 31,653,057.07
Step by Step Solution
- Step 1: Write the proportion equation
7,509,872 : 15,417,860 = 15,417,860 : x - Step 2: Convert to fraction form
7,509,872/15,417,860 = 15,417,860/x - Step 3: Cross multiply
7,509,872x = 15,417,860 × 15,417,860 - Step 4: Simplify right side
7,509,872x = 237,710,406,979,600 - Step 5: Solve for x
x = 237,710,406,979,600/7,509,872 - Step 6: Final answer
x = 31,653,057.07
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.