Finding the Third Proportional to 387,008 and 910,640
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Solution
The third proportional to 387,008 and 910,640 is: 2,142,759.86
Step by Step Solution
- Step 1: Write the proportion equation
387,008 : 910,640 = 910,640 : x - Step 2: Convert to fraction form
387,008/910,640 = 910,640/x - Step 3: Cross multiply
387,008x = 910,640 × 910,640 - Step 4: Simplify right side
387,008x = 829,265,209,600 - Step 5: Solve for x
x = 829,265,209,600/387,008 - Step 6: Final answer
x = 2,142,759.86
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These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.