Finding the Third Proportional to 907,718.91 and 2,139,706.13
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Solution
The third proportional to 907,718.91 and 2,139,706.13 is: 5,043,788.63
Step by Step Solution
- Step 1: Write the proportion equation
907,718.91 : 2,139,706.13 = 2,139,706.13 : x - Step 2: Convert to fraction form
907,718.91/2,139,706.13 = 2,139,706.13/x - Step 3: Cross multiply
907,718.91x = 2,139,706.13 × 2,139,706.13 - Step 4: Simplify right side
907,718.91x = 4,578,342,301,362.52 - Step 5: Solve for x
x = 4,578,342,301,362.52/907,718.91 - Step 6: Final answer
x = 5,043,788.63
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.