Finding the Third Proportional to 315,293.31 and 691,903.63
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Solution
The third proportional to 315,293.31 and 691,903.63 is: 1,518,365.94
Step by Step Solution
- Step 1: Write the proportion equation
315,293.31 : 691,903.63 = 691,903.63 : x - Step 2: Convert to fraction form
315,293.31/691,903.63 = 691,903.63/x - Step 3: Cross multiply
315,293.31x = 691,903.63 × 691,903.63 - Step 4: Simplify right side
315,293.31x = 478,730,626,288.14 - Step 5: Solve for x
x = 478,730,626,288.14/315,293.31 - Step 6: Final answer
x = 1,518,365.94
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.