Finding the Third Proportional to 318,149.44 and 686,113.88
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Solution
The third proportional to 318,149.44 and 686,113.88 is: 1,479,657.65
Step by Step Solution
- Step 1: Write the proportion equation
318,149.44 : 686,113.88 = 686,113.88 : x - Step 2: Convert to fraction form
318,149.44/686,113.88 = 686,113.88/x - Step 3: Cross multiply
318,149.44x = 686,113.88 × 686,113.88 - Step 4: Simplify right side
318,149.44x = 470,752,249,467.52 - Step 5: Solve for x
x = 470,752,249,467.52/318,149.44 - Step 6: Final answer
x = 1,479,657.65
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.