Finding the Third Proportional to 515,395.41 and 786,423.94
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Solution
The third proportional to 515,395.41 and 786,423.94 is: 1,199,976.95
Step by Step Solution
- Step 1: Write the proportion equation
515,395.41 : 786,423.94 = 786,423.94 : x - Step 2: Convert to fraction form
515,395.41/786,423.94 = 786,423.94/x - Step 3: Cross multiply
515,395.41x = 786,423.94 × 786,423.94 - Step 4: Simplify right side
515,395.41x = 618,462,609,473.00 - Step 5: Solve for x
x = 618,462,609,473.00/515,395.41 - Step 6: Final answer
x = 1,199,976.95
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.