Finding the Third Proportional to 15,378.75 and 22,221.75
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Solution
The third proportional to 15,378.75 and 22,221.75 is: 32,109.64
Step by Step Solution
- Step 1: Write the proportion equation
15,378.75 : 22,221.75 = 22,221.75 : x - Step 2: Convert to fraction form
15,378.75/22,221.75 = 22,221.75/x - Step 3: Cross multiply
15,378.75x = 22,221.75 × 22,221.75 - Step 4: Simplify right side
15,378.75x = 493,806,173.06 - Step 5: Solve for x
x = 493,806,173.06/15,378.75 - Step 6: Final answer
x = 32,109.64
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.