Finding the Third Proportional to 612,129 and 1,332,669
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Solution
The third proportional to 612,129 and 1,332,669 is: 2,901,360.11
Step by Step Solution
- Step 1: Write the proportion equation
612,129 : 1,332,669 = 1,332,669 : x - Step 2: Convert to fraction form
612,129/1,332,669 = 1,332,669/x - Step 3: Cross multiply
612,129x = 1,332,669 × 1,332,669 - Step 4: Simplify right side
612,129x = 1,776,006,663,561 - Step 5: Solve for x
x = 1,776,006,663,561/612,129 - Step 6: Final answer
x = 2,901,360.11
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.