Finding the Third Proportional to 5,415,964 and 11,678,312
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Solution
The third proportional to 5,415,964 and 11,678,312 is: 25,181,661.32
Step by Step Solution
- Step 1: Write the proportion equation
5,415,964 : 11,678,312 = 11,678,312 : x - Step 2: Convert to fraction form
5,415,964/11,678,312 = 11,678,312/x - Step 3: Cross multiply
5,415,964x = 11,678,312 × 11,678,312 - Step 4: Simplify right side
5,415,964x = 136,382,971,169,344 - Step 5: Solve for x
x = 136,382,971,169,344/5,415,964 - Step 6: Final answer
x = 25,181,661.32
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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.