Finding the Third Proportional to 320,235.75 and 689,955.75
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Solution
The third proportional to 320,235.75 and 689,955.75 is: 1,486,526.53
Step by Step Solution
- Step 1: Write the proportion equation
320,235.75 : 689,955.75 = 689,955.75 : x - Step 2: Convert to fraction form
320,235.75/689,955.75 = 689,955.75/x - Step 3: Cross multiply
320,235.75x = 689,955.75 × 689,955.75 - Step 4: Simplify right side
320,235.75x = 476,038,936,958.06 - Step 5: Solve for x
x = 476,038,936,958.06/320,235.75 - Step 6: Final answer
x = 1,486,526.53
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.