Finding the Third Proportional to 192,228.75 and 420,646.50
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Solution
The third proportional to 192,228.75 and 420,646.50 is: 920,483.94
Step by Step Solution
- Step 1: Write the proportion equation
192,228.75 : 420,646.50 = 420,646.50 : x - Step 2: Convert to fraction form
192,228.75/420,646.50 = 420,646.50/x - Step 3: Cross multiply
192,228.75x = 420,646.50 × 420,646.50 - Step 4: Simplify right side
192,228.75x = 176,943,477,962.25 - Step 5: Solve for x
x = 176,943,477,962.25/192,228.75 - Step 6: Final answer
x = 920,483.94
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.