Finding the Third Proportional to 130,627.69 and 286,269.19
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Solution
The third proportional to 130,627.69 and 286,269.19 is: 627,355.88
Step by Step Solution
- Step 1: Write the proportion equation
130,627.69 : 286,269.19 = 286,269.19 : x - Step 2: Convert to fraction form
130,627.69/286,269.19 = 286,269.19/x - Step 3: Cross multiply
130,627.69x = 286,269.19 × 286,269.19 - Step 4: Simplify right side
130,627.69x = 81,950,047,711.91 - Step 5: Solve for x
x = 81,950,047,711.91/130,627.69 - Step 6: Final answer
x = 627,355.88
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.