Finding the Third Proportional to 7,878,168 and 16,961,616
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Solution
The third proportional to 7,878,168 and 16,961,616 is: 36,518,187.65
Step by Step Solution
- Step 1: Write the proportion equation
7,878,168 : 16,961,616 = 16,961,616 : x - Step 2: Convert to fraction form
7,878,168/16,961,616 = 16,961,616/x - Step 3: Cross multiply
7,878,168x = 16,961,616 × 16,961,616 - Step 4: Simplify right side
7,878,168x = 287,696,417,331,456 - Step 5: Solve for x
x = 287,696,417,331,456/7,878,168 - Step 6: Final answer
x = 36,518,187.65
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.