Finding the Third Proportional to 299,461.50 and 438,045.75
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Solution
The third proportional to 299,461.50 and 438,045.75 is: 640,763.77
Step by Step Solution
- Step 1: Write the proportion equation
299,461.50 : 438,045.75 = 438,045.75 : x - Step 2: Convert to fraction form
299,461.50/438,045.75 = 438,045.75/x - Step 3: Cross multiply
299,461.50x = 438,045.75 × 438,045.75 - Step 4: Simplify right side
299,461.50x = 191,884,079,093.06 - Step 5: Solve for x
x = 191,884,079,093.06/299,461.50 - Step 6: Final answer
x = 640,763.77
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.