Finding the Third Proportional to 985,249 and 2,117,840
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Solution
The third proportional to 985,249 and 2,117,840 is: 4,552,398.70
Step by Step Solution
- Step 1: Write the proportion equation
985,249 : 2,117,840 = 2,117,840 : x - Step 2: Convert to fraction form
985,249/2,117,840 = 2,117,840/x - Step 3: Cross multiply
985,249x = 2,117,840 × 2,117,840 - Step 4: Simplify right side
985,249x = 4,485,246,265,600 - Step 5: Solve for x
x = 4,485,246,265,600/985,249 - Step 6: Final answer
x = 4,552,398.70
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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.