Finding the Third Proportional to 155,971.50 and 319,317.75
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Solution
The third proportional to 155,971.50 and 319,317.75 is: 653,733.70
Step by Step Solution
- Step 1: Write the proportion equation
155,971.50 : 319,317.75 = 319,317.75 : x - Step 2: Convert to fraction form
155,971.50/319,317.75 = 319,317.75/x - Step 3: Cross multiply
155,971.50x = 319,317.75 × 319,317.75 - Step 4: Simplify right side
155,971.50x = 101,963,825,465.06 - Step 5: Solve for x
x = 101,963,825,465.06/155,971.50 - Step 6: Final answer
x = 653,733.70
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.