Finding the Third Proportional to 51,788 and 79,971.75
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Solution
The third proportional to 51,788 and 79,971.75 is: 123,493.49
Step by Step Solution
- Step 1: Write the proportion equation
51,788 : 79,971.75 = 79,971.75 : x - Step 2: Convert to fraction form
51,788/79,971.75 = 79,971.75/x - Step 3: Cross multiply
51,788x = 79,971.75 × 79,971.75 - Step 4: Simplify right side
51,788x = 6,395,480,798.06 - Step 5: Solve for x
x = 6,395,480,798.06/51,788 - Step 6: Final answer
x = 123,493.49
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.