Finding the Third Proportional to 438,315.75 and 787,146.75
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Solution
The third proportional to 438,315.75 and 787,146.75 is: 1,413,592.84
Step by Step Solution
- Step 1: Write the proportion equation
438,315.75 : 787,146.75 = 787,146.75 : x - Step 2: Convert to fraction form
438,315.75/787,146.75 = 787,146.75/x - Step 3: Cross multiply
438,315.75x = 787,146.75 × 787,146.75 - Step 4: Simplify right side
438,315.75x = 619,600,006,035.56 - Step 5: Solve for x
x = 619,600,006,035.56/438,315.75 - Step 6: Final answer
x = 1,413,592.84
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These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.