Finding the Third Proportional to 258,909.75 and 349,803.75
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Solution
The third proportional to 258,909.75 and 349,803.75 is: 472,607.40
Step by Step Solution
- Step 1: Write the proportion equation
258,909.75 : 349,803.75 = 349,803.75 : x - Step 2: Convert to fraction form
258,909.75/349,803.75 = 349,803.75/x - Step 3: Cross multiply
258,909.75x = 349,803.75 × 349,803.75 - Step 4: Simplify right side
258,909.75x = 122,362,663,514.06 - Step 5: Solve for x
x = 122,362,663,514.06/258,909.75 - Step 6: Final answer
x = 472,607.40
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.