Finding the Third Proportional to 239,482.88 and 399,122.06
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Solution
The third proportional to 239,482.88 and 399,122.06 is: 665,176.67
Step by Step Solution
- Step 1: Write the proportion equation
239,482.88 : 399,122.06 = 399,122.06 : x - Step 2: Convert to fraction form
239,482.88/399,122.06 = 399,122.06/x - Step 3: Cross multiply
239,482.88x = 399,122.06 × 399,122.06 - Step 4: Simplify right side
239,482.88x = 159,298,420,774.25 - Step 5: Solve for x
x = 159,298,420,774.25/239,482.88 - Step 6: Final answer
x = 665,176.67
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Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.