Finding the Third Proportional to 258,866.75 and 392,309.75
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Solution
The third proportional to 258,866.75 and 392,309.75 is: 594,541.17
Step by Step Solution
- Step 1: Write the proportion equation
258,866.75 : 392,309.75 = 392,309.75 : x - Step 2: Convert to fraction form
258,866.75/392,309.75 = 392,309.75/x - Step 3: Cross multiply
258,866.75x = 392,309.75 × 392,309.75 - Step 4: Simplify right side
258,866.75x = 153,906,939,945.06 - Step 5: Solve for x
x = 153,906,939,945.06/258,866.75 - Step 6: Final answer
x = 594,541.17
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.