Finding the Third Proportional to 985,115 and 2,138,368
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Solution
The third proportional to 985,115 and 2,138,368 is: 4,641,709.55
Step by Step Solution
- Step 1: Write the proportion equation
985,115 : 2,138,368 = 2,138,368 : x - Step 2: Convert to fraction form
985,115/2,138,368 = 2,138,368/x - Step 3: Cross multiply
985,115x = 2,138,368 × 2,138,368 - Step 4: Simplify right side
985,115x = 4,572,617,703,424 - Step 5: Solve for x
x = 4,572,617,703,424/985,115 - Step 6: Final answer
x = 4,641,709.55
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.