Finding the Third Proportional to 427.15 and 644.99
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Solution
The third proportional to 427.15 and 644.99 is: 973.94
Step by Step Solution
- Step 1: Write the proportion equation
427.15 : 644.99 = 644.99 : x - Step 2: Convert to fraction form
427.15/644.99 = 644.99/x - Step 3: Cross multiply
427.15x = 644.99 × 644.99 - Step 4: Simplify right side
427.15x = 416,017.44 - Step 5: Solve for x
x = 416,017.44/427.15 - Step 6: Final answer
x = 973.94
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.