Finding the Third Proportional to 7,982,548 and 12,288,774
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Solution
The third proportional to 7,982,548 and 12,288,774 is: 18,918,015.45
Step by Step Solution
- Step 1: Write the proportion equation
7,982,548 : 12,288,774 = 12,288,774 : x - Step 2: Convert to fraction form
7,982,548/12,288,774 = 12,288,774/x - Step 3: Cross multiply
7,982,548x = 12,288,774 × 12,288,774 - Step 4: Simplify right side
7,982,548x = 151,013,966,423,076 - Step 5: Solve for x
x = 151,013,966,423,076/7,982,548 - Step 6: Final answer
x = 18,918,015.45
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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.