Finding the Third Proportional to 721,590 and 1,557,585.75
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Solution
The third proportional to 721,590 and 1,557,585.75 is: 3,362,121.66
Step by Step Solution
- Step 1: Write the proportion equation
721,590 : 1,557,585.75 = 1,557,585.75 : x - Step 2: Convert to fraction form
721,590/1,557,585.75 = 1,557,585.75/x - Step 3: Cross multiply
721,590x = 1,557,585.75 × 1,557,585.75 - Step 4: Simplify right side
721,590x = 2,426,073,368,603.06 - Step 5: Solve for x
x = 2,426,073,368,603.06/721,590 - Step 6: Final answer
x = 3,362,121.66
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.