Finding the Third Proportional to 7,215,444 and 11,416,830
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Solution
The third proportional to 7,215,444 and 11,416,830 is: 18,064,585.80
Step by Step Solution
- Step 1: Write the proportion equation
7,215,444 : 11,416,830 = 11,416,830 : x - Step 2: Convert to fraction form
7,215,444/11,416,830 = 11,416,830/x - Step 3: Cross multiply
7,215,444x = 11,416,830 × 11,416,830 - Step 4: Simplify right side
7,215,444x = 130,344,007,248,900 - Step 5: Solve for x
x = 130,344,007,248,900/7,215,444 - Step 6: Final answer
x = 18,064,585.80
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.