Finding the Third Proportional to 979,646 and 2,122,773
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Solution
The third proportional to 979,646 and 2,122,773 is: 4,599,789.32
Step by Step Solution
- Step 1: Write the proportion equation
979,646 : 2,122,773 = 2,122,773 : x - Step 2: Convert to fraction form
979,646/2,122,773 = 2,122,773/x - Step 3: Cross multiply
979,646x = 2,122,773 × 2,122,773 - Step 4: Simplify right side
979,646x = 4,506,165,209,529 - Step 5: Solve for x
x = 4,506,165,209,529/979,646 - Step 6: Final answer
x = 4,599,789.32
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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.