Finding the Third Proportional to 309,669.75 and 478,599.75
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Solution
The third proportional to 309,669.75 and 478,599.75 is: 739,683.88
Step by Step Solution
- Step 1: Write the proportion equation
309,669.75 : 478,599.75 = 478,599.75 : x - Step 2: Convert to fraction form
309,669.75/478,599.75 = 478,599.75/x - Step 3: Cross multiply
309,669.75x = 478,599.75 × 478,599.75 - Step 4: Simplify right side
309,669.75x = 229,057,720,700.06 - Step 5: Solve for x
x = 229,057,720,700.06/309,669.75 - Step 6: Final answer
x = 739,683.88
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.