Finding the Third Proportional to 432,303.75 and 690,616.13
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Solution
The third proportional to 432,303.75 and 690,616.13 is: 1,103,276.65
Step by Step Solution
- Step 1: Write the proportion equation
432,303.75 : 690,616.13 = 690,616.13 : x - Step 2: Convert to fraction form
432,303.75/690,616.13 = 690,616.13/x - Step 3: Cross multiply
432,303.75x = 690,616.13 × 690,616.13 - Step 4: Simplify right side
432,303.75x = 476,950,632,110.02 - Step 5: Solve for x
x = 476,950,632,110.02/432,303.75 - Step 6: Final answer
x = 1,103,276.65
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.