Finding the Third Proportional to 20,919.75 and 29,259.75
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Solution
The third proportional to 20,919.75 and 29,259.75 is: 40,924.63
Step by Step Solution
- Step 1: Write the proportion equation
20,919.75 : 29,259.75 = 29,259.75 : x - Step 2: Convert to fraction form
20,919.75/29,259.75 = 29,259.75/x - Step 3: Cross multiply
20,919.75x = 29,259.75 × 29,259.75 - Step 4: Simplify right side
20,919.75x = 856,132,970.06 - Step 5: Solve for x
x = 856,132,970.06/20,919.75 - Step 6: Final answer
x = 40,924.63
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.