Finding the Third Proportional to 78,646,493 and 122,110,460
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Solution
The third proportional to 78,646,493 and 122,110,460 is: 189,594,778.77
Step by Step Solution
- Step 1: Write the proportion equation
78,646,493 : 122,110,460 = 122,110,460 : x - Step 2: Convert to fraction form
78,646,493/122,110,460 = 122,110,460/x - Step 3: Cross multiply
78,646,493x = 122,110,460 × 122,110,460 - Step 4: Simplify right side
78,646,493x = 14,910,964,441,411,600 - Step 5: Solve for x
x = 14,910,964,441,411,600/78,646,493 - Step 6: Final answer
x = 189,594,778.77
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.