Finding the Third Proportional to 391,679.25 and 528,467.63
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Solution
The third proportional to 391,679.25 and 528,467.63 is: 713,027.38
Step by Step Solution
- Step 1: Write the proportion equation
391,679.25 : 528,467.63 = 528,467.63 : x - Step 2: Convert to fraction form
391,679.25/528,467.63 = 528,467.63/x - Step 3: Cross multiply
391,679.25x = 528,467.63 × 528,467.63 - Step 4: Simplify right side
391,679.25x = 279,278,030,673.14 - Step 5: Solve for x
x = 279,278,030,673.14/391,679.25 - Step 6: Final answer
x = 713,027.38
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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.