Finding the Third Proportional to 145,784 and 315,748
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Solution
The third proportional to 145,784 and 315,748 is: 683,866.54
Step by Step Solution
- Step 1: Write the proportion equation
145,784 : 315,748 = 315,748 : x - Step 2: Convert to fraction form
145,784/315,748 = 315,748/x - Step 3: Cross multiply
145,784x = 315,748 × 315,748 - Step 4: Simplify right side
145,784x = 99,696,799,504 - Step 5: Solve for x
x = 99,696,799,504/145,784 - Step 6: Final answer
x = 683,866.54
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.