Finding the Third Proportional to 120,565.13 and 257,117.63
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Solution
The third proportional to 120,565.13 and 257,117.63 is: 548,329.98
Step by Step Solution
- Step 1: Write the proportion equation
120,565.13 : 257,117.63 = 257,117.63 : x - Step 2: Convert to fraction form
120,565.13/257,117.63 = 257,117.63/x - Step 3: Cross multiply
120,565.13x = 257,117.63 × 257,117.63 - Step 4: Simplify right side
120,565.13x = 66,109,473,085.64 - Step 5: Solve for x
x = 66,109,473,085.64/120,565.13 - Step 6: Final answer
x = 548,329.98
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.