Finding the Third Proportional to 42,420 and 63,612
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Solution
The third proportional to 42,420 and 63,612 is: 95,391.01
Step by Step Solution
- Step 1: Write the proportion equation
42,420 : 63,612 = 63,612 : x - Step 2: Convert to fraction form
42,420/63,612 = 63,612/x - Step 3: Cross multiply
42,420x = 63,612 × 63,612 - Step 4: Simplify right side
42,420x = 4,046,486,544 - Step 5: Solve for x
x = 4,046,486,544/42,420 - Step 6: Final answer
x = 95,391.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.