Finding the Third Proportional to 393,898.50 and 608,343.75
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Solution
The third proportional to 393,898.50 and 608,343.75 is: 939,536.75
Step by Step Solution
- Step 1: Write the proportion equation
393,898.50 : 608,343.75 = 608,343.75 : x - Step 2: Convert to fraction form
393,898.50/608,343.75 = 608,343.75/x - Step 3: Cross multiply
393,898.50x = 608,343.75 × 608,343.75 - Step 4: Simplify right side
393,898.50x = 370,082,118,164.06 - Step 5: Solve for x
x = 370,082,118,164.06/393,898.50 - Step 6: Final answer
x = 939,536.75
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.