Finding the Third Proportional to 306,541.13 and 478,438.31
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Solution
The third proportional to 306,541.13 and 478,438.31 is: 746,729.23
Step by Step Solution
- Step 1: Write the proportion equation
306,541.13 : 478,438.31 = 478,438.31 : x - Step 2: Convert to fraction form
306,541.13/478,438.31 = 478,438.31/x - Step 3: Cross multiply
306,541.13x = 478,438.31 × 478,438.31 - Step 4: Simplify right side
306,541.13x = 228,903,218,867.85 - Step 5: Solve for x
x = 228,903,218,867.85/306,541.13 - Step 6: Final answer
x = 746,729.23
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.