Finding the Third Proportional to 277,878 and 430,545
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Solution
The third proportional to 277,878 and 430,545 is: 667,087.70
Step by Step Solution
- Step 1: Write the proportion equation
277,878 : 430,545 = 430,545 : x - Step 2: Convert to fraction form
277,878/430,545 = 430,545/x - Step 3: Cross multiply
277,878x = 430,545 × 430,545 - Step 4: Simplify right side
277,878x = 185,368,997,025 - Step 5: Solve for x
x = 185,368,997,025/277,878 - Step 6: Final answer
x = 667,087.70
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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.