Finding the Third Proportional to 578,715.50 and 1,269,486
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Solution
The third proportional to 578,715.50 and 1,269,486 is: 2,784,778.88
Step by Step Solution
- Step 1: Write the proportion equation
578,715.50 : 1,269,486 = 1,269,486 : x - Step 2: Convert to fraction form
578,715.50/1,269,486 = 1,269,486/x - Step 3: Cross multiply
578,715.50x = 1,269,486 × 1,269,486 - Step 4: Simplify right side
578,715.50x = 1,611,594,704,196 - Step 5: Solve for x
x = 1,611,594,704,196/578,715.50 - Step 6: Final answer
x = 2,784,778.88
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.