Finding the Third Proportional to 156,120.75 and 368,421.75
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Solution
The third proportional to 156,120.75 and 368,421.75 is: 869,420.53
Step by Step Solution
- Step 1: Write the proportion equation
156,120.75 : 368,421.75 = 368,421.75 : x - Step 2: Convert to fraction form
156,120.75/368,421.75 = 368,421.75/x - Step 3: Cross multiply
156,120.75x = 368,421.75 × 368,421.75 - Step 4: Simplify right side
156,120.75x = 135,734,585,873.06 - Step 5: Solve for x
x = 135,734,585,873.06/156,120.75 - Step 6: Final answer
x = 869,420.53
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These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.