Finding the Third Proportional to 489,306.75 and 689,055.75
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Solution
The third proportional to 489,306.75 and 689,055.75 is: 970,348.00
Step by Step Solution
- Step 1: Write the proportion equation
489,306.75 : 689,055.75 = 689,055.75 : x - Step 2: Convert to fraction form
489,306.75/689,055.75 = 689,055.75/x - Step 3: Cross multiply
489,306.75x = 689,055.75 × 689,055.75 - Step 4: Simplify right side
489,306.75x = 474,797,826,608.06 - Step 5: Solve for x
x = 474,797,826,608.06/489,306.75 - Step 6: Final answer
x = 970,348.00
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.