Finding the Third Proportional to 972,201,042 and 1,389,252,789
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Solution
The third proportional to 972,201,042 and 1,389,252,789 is: 1,985,210,083.48
Step by Step Solution
- Step 1: Write the proportion equation
972,201,042 : 1,389,252,789 = 1,389,252,789 : x - Step 2: Convert to fraction form
972,201,042/1,389,252,789 = 1,389,252,789/x - Step 3: Cross multiply
972,201,042x = 1,389,252,789 × 1,389,252,789 - Step 4: Simplify right side
972,201,042x = 1,930,023,311,744,278,528 - Step 5: Solve for x
x = 1,930,023,311,744,278,528/972,201,042 - Step 6: Final answer
x = 1,985,210,083.48
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.