Finding the Third Proportional to 979,422.75 and 1,387,121.63
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Solution
The third proportional to 979,422.75 and 1,387,121.63 is: 1,964,531.05
Step by Step Solution
- Step 1: Write the proportion equation
979,422.75 : 1,387,121.63 = 1,387,121.63 : x - Step 2: Convert to fraction form
979,422.75/1,387,121.63 = 1,387,121.63/x - Step 3: Cross multiply
979,422.75x = 1,387,121.63 × 1,387,121.63 - Step 4: Simplify right side
979,422.75x = 1,924,106,402,542.64 - Step 5: Solve for x
x = 1,924,106,402,542.64/979,422.75 - Step 6: Final answer
x = 1,964,531.05
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.