Finding the Third Proportional to 320,689.13 and 691,088.63
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Solution
The third proportional to 320,689.13 and 691,088.63 is: 1,489,303.66
Step by Step Solution
- Step 1: Write the proportion equation
320,689.13 : 691,088.63 = 691,088.63 : x - Step 2: Convert to fraction form
320,689.13/691,088.63 = 691,088.63/x - Step 3: Cross multiply
320,689.13x = 691,088.63 × 691,088.63 - Step 4: Simplify right side
320,689.13x = 477,603,487,604.39 - Step 5: Solve for x
x = 477,603,487,604.39/320,689.13 - Step 6: Final answer
x = 1,489,303.66
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.