Finding the Third Proportional to 178,977,816 and 276,379,140
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Solution
The third proportional to 178,977,816 and 276,379,140 is: 426,787,133.37
Step by Step Solution
- Step 1: Write the proportion equation
178,977,816 : 276,379,140 = 276,379,140 : x - Step 2: Convert to fraction form
178,977,816/276,379,140 = 276,379,140/x - Step 3: Cross multiply
178,977,816x = 276,379,140 × 276,379,140 - Step 4: Simplify right side
178,977,816x = 76,385,429,027,139,600 - Step 5: Solve for x
x = 76,385,429,027,139,600/178,977,816 - Step 6: Final answer
x = 426,787,133.37
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.