Finding the Third Proportional to 8,215,128 and 18,319,169
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Solution
The third proportional to 8,215,128 and 18,319,169 is: 40,850,483.75
Step by Step Solution
- Step 1: Write the proportion equation
8,215,128 : 18,319,169 = 18,319,169 : x - Step 2: Convert to fraction form
8,215,128/18,319,169 = 18,319,169/x - Step 3: Cross multiply
8,215,128x = 18,319,169 × 18,319,169 - Step 4: Simplify right side
8,215,128x = 335,591,952,850,561 - Step 5: Solve for x
x = 335,591,952,850,561/8,215,128 - Step 6: Final answer
x = 40,850,483.75
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.