Finding the Third Proportional to 435,602.81 and 639,117.84
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Solution
The third proportional to 435,602.81 and 639,117.84 is: 937,715.75
Step by Step Solution
- Step 1: Write the proportion equation
435,602.81 : 639,117.84 = 639,117.84 : x - Step 2: Convert to fraction form
435,602.81/639,117.84 = 639,117.84/x - Step 3: Cross multiply
435,602.81x = 639,117.84 × 639,117.84 - Step 4: Simplify right side
435,602.81x = 408,471,618,199.65 - Step 5: Solve for x
x = 408,471,618,199.65/435,602.81 - Step 6: Final answer
x = 937,715.75
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.