Finding the Third Proportional to 290,216.25 and 651,813.75
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Solution
The third proportional to 290,216.25 and 651,813.75 is: 1,463,946.85
Step by Step Solution
- Step 1: Write the proportion equation
290,216.25 : 651,813.75 = 651,813.75 : x - Step 2: Convert to fraction form
290,216.25/651,813.75 = 651,813.75/x - Step 3: Cross multiply
290,216.25x = 651,813.75 × 651,813.75 - Step 4: Simplify right side
290,216.25x = 424,861,164,689.06 - Step 5: Solve for x
x = 424,861,164,689.06/290,216.25 - Step 6: Final answer
x = 1,463,946.85
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Why These Related Problems?
These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.