Finding the Third Proportional to 66,213,695 and 142,546,905
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Solution
The third proportional to 66,213,695 and 142,546,905 is: 306,879,417.09
Step by Step Solution
- Step 1: Write the proportion equation
66,213,695 : 142,546,905 = 142,546,905 : x - Step 2: Convert to fraction form
66,213,695/142,546,905 = 142,546,905/x - Step 3: Cross multiply
66,213,695x = 142,546,905 × 142,546,905 - Step 4: Simplify right side
66,213,695x = 20,319,620,125,079,024 - Step 5: Solve for x
x = 20,319,620,125,079,024/66,213,695 - Step 6: Final answer
x = 306,879,417.09
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.