Finding the Third Proportional to 7,278,078 and 11,415,753
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Solution
The third proportional to 7,278,078 and 11,415,753 is: 17,905,746.07
Step by Step Solution
- Step 1: Write the proportion equation
7,278,078 : 11,415,753 = 11,415,753 : x - Step 2: Convert to fraction form
7,278,078/11,415,753 = 11,415,753/x - Step 3: Cross multiply
7,278,078x = 11,415,753 × 11,415,753 - Step 4: Simplify right side
7,278,078x = 130,319,416,557,009 - Step 5: Solve for x
x = 130,319,416,557,009/7,278,078 - Step 6: Final answer
x = 17,905,746.07
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.