Finding the Third Proportional to 391,811.95 and 541,395.07
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Solution
The third proportional to 391,811.95 and 541,395.07 is: 748,084.94
Step by Step Solution
- Step 1: Write the proportion equation
391,811.95 : 541,395.07 = 541,395.07 : x - Step 2: Convert to fraction form
391,811.95/541,395.07 = 541,395.07/x - Step 3: Cross multiply
391,811.95x = 541,395.07 × 541,395.07 - Step 4: Simplify right side
391,811.95x = 293,108,622,158.68 - Step 5: Solve for x
x = 293,108,622,158.68/391,811.95 - Step 6: Final answer
x = 748,084.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.