Finding the Third Proportional to 38,478,102 and 84,651,690
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Solution
The third proportional to 38,478,102 and 84,651,690 is: 186,233,422.32
Step by Step Solution
- Step 1: Write the proportion equation
38,478,102 : 84,651,690 = 84,651,690 : x - Step 2: Convert to fraction form
38,478,102/84,651,690 = 84,651,690/x - Step 3: Cross multiply
38,478,102x = 84,651,690 × 84,651,690 - Step 4: Simplify right side
38,478,102x = 7,165,908,619,856,100 - Step 5: Solve for x
x = 7,165,908,619,856,100/38,478,102 - Step 6: Final answer
x = 186,233,422.32
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.