Finding the Third Proportional to 354,638.25 and 487,923.75
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Solution
The third proportional to 354,638.25 and 487,923.75 is: 671,302.62
Step by Step Solution
- Step 1: Write the proportion equation
354,638.25 : 487,923.75 = 487,923.75 : x - Step 2: Convert to fraction form
354,638.25/487,923.75 = 487,923.75/x - Step 3: Cross multiply
354,638.25x = 487,923.75 × 487,923.75 - Step 4: Simplify right side
354,638.25x = 238,069,585,814.06 - Step 5: Solve for x
x = 238,069,585,814.06/354,638.25 - Step 6: Final answer
x = 671,302.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.