Finding the Third Proportional to 291,578,236.52 and 642,589,402.71
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Solution
The third proportional to 291,578,236.52 and 642,589,402.71 is: 1,416,158,988.41
Step by Step Solution
- Step 1: Write the proportion equation
291,578,236.52 : 642,589,402.71 = 642,589,402.71 : x - Step 2: Convert to fraction form
291,578,236.52/642,589,402.71 = 642,589,402.71/x - Step 3: Cross multiply
291,578,236.52x = 642,589,402.71 × 642,589,402.71 - Step 4: Simplify right side
291,578,236.52x = 412,921,140,476,415,488 - Step 5: Solve for x
x = 412,921,140,476,415,488/291,578,236.52 - Step 6: Final answer
x = 1,416,158,988.41
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.