Finding the Third Proportional to 984,799 and 2,142,143
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Solution
The third proportional to 984,799 and 2,142,143 is: 4,659,607.32
Step by Step Solution
- Step 1: Write the proportion equation
984,799 : 2,142,143 = 2,142,143 : x - Step 2: Convert to fraction form
984,799/2,142,143 = 2,142,143/x - Step 3: Cross multiply
984,799x = 2,142,143 × 2,142,143 - Step 4: Simplify right side
984,799x = 4,588,776,632,449 - Step 5: Solve for x
x = 4,588,776,632,449/984,799 - Step 6: Final answer
x = 4,659,607.32
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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.