Finding the Third Proportional to 454,992.75 and 688,137.75
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Solution
The third proportional to 454,992.75 and 688,137.75 is: 1,040,749.69
Step by Step Solution
- Step 1: Write the proportion equation
454,992.75 : 688,137.75 = 688,137.75 : x - Step 2: Convert to fraction form
454,992.75/688,137.75 = 688,137.75/x - Step 3: Cross multiply
454,992.75x = 688,137.75 × 688,137.75 - Step 4: Simplify right side
454,992.75x = 473,533,562,975.06 - Step 5: Solve for x
x = 473,533,562,975.06/454,992.75 - Step 6: Final answer
x = 1,040,749.69
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.