Finding the Third Proportional to 7,782,090 and 11,085,729
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Solution
The third proportional to 7,782,090 and 11,085,729 is: 15,791,822.95
Step by Step Solution
- Step 1: Write the proportion equation
7,782,090 : 11,085,729 = 11,085,729 : x - Step 2: Convert to fraction form
7,782,090/11,085,729 = 11,085,729/x - Step 3: Cross multiply
7,782,090x = 11,085,729 × 11,085,729 - Step 4: Simplify right side
7,782,090x = 122,893,387,461,441 - Step 5: Solve for x
x = 122,893,387,461,441/7,782,090 - Step 6: Final answer
x = 15,791,822.95
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.