Finding the Third Proportional to 1,212,538.69 and 1,685,921.06
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Solution
The third proportional to 1,212,538.69 and 1,685,921.06 is: 2,344,114.76
Step by Step Solution
- Step 1: Write the proportion equation
1,212,538.69 : 1,685,921.06 = 1,685,921.06 : x - Step 2: Convert to fraction form
1,212,538.69/1,685,921.06 = 1,685,921.06/x - Step 3: Cross multiply
1,212,538.69x = 1,685,921.06 × 1,685,921.06 - Step 4: Simplify right side
1,212,538.69x = 2,842,329,828,981.13 - Step 5: Solve for x
x = 2,842,329,828,981.13/1,212,538.69 - Step 6: Final answer
x = 2,344,114.76
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.