Finding the Third Proportional to 75,689,090 and 165,707,394
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Solution
The third proportional to 75,689,090 and 165,707,394 is: 362,785,976.50
Step by Step Solution
- Step 1: Write the proportion equation
75,689,090 : 165,707,394 = 165,707,394 : x - Step 2: Convert to fraction form
75,689,090/165,707,394 = 165,707,394/x - Step 3: Cross multiply
75,689,090x = 165,707,394 × 165,707,394 - Step 4: Simplify right side
75,689,090x = 27,458,940,426,271,236 - Step 5: Solve for x
x = 27,458,940,426,271,236/75,689,090 - Step 6: Final answer
x = 362,785,976.50
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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.