Finding the Third Proportional to 7,878,316 and 17,136,994
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Solution
The third proportional to 7,878,316 and 17,136,994 is: 37,276,565.62
Step by Step Solution
- Step 1: Write the proportion equation
7,878,316 : 17,136,994 = 17,136,994 : x - Step 2: Convert to fraction form
7,878,316/17,136,994 = 17,136,994/x - Step 3: Cross multiply
7,878,316x = 17,136,994 × 17,136,994 - Step 4: Simplify right side
7,878,316x = 293,676,563,356,036 - Step 5: Solve for x
x = 293,676,563,356,036/7,878,316 - Step 6: Final answer
x = 37,276,565.62
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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.