Finding the Third Proportional to 489,709.13 and 693,557.44
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Solution
The third proportional to 489,709.13 and 693,557.44 is: 982,260.48
Step by Step Solution
- Step 1: Write the proportion equation
489,709.13 : 693,557.44 = 693,557.44 : x - Step 2: Convert to fraction form
489,709.13/693,557.44 = 693,557.44/x - Step 3: Cross multiply
489,709.13x = 693,557.44 × 693,557.44 - Step 4: Simplify right side
489,709.13x = 481,021,919,111.57 - Step 5: Solve for x
x = 481,021,919,111.57/489,709.13 - Step 6: Final answer
x = 982,260.48
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.