Finding the Third Proportional to 307,815.75 and 491,730.75
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Solution
The third proportional to 307,815.75 and 491,730.75 is: 785,532.03
Step by Step Solution
- Step 1: Write the proportion equation
307,815.75 : 491,730.75 = 491,730.75 : x - Step 2: Convert to fraction form
307,815.75/491,730.75 = 491,730.75/x - Step 3: Cross multiply
307,815.75x = 491,730.75 × 491,730.75 - Step 4: Simplify right side
307,815.75x = 241,799,130,495.56 - Step 5: Solve for x
x = 241,799,130,495.56/307,815.75 - Step 6: Final answer
x = 785,532.03
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.