Finding the Third Proportional to 145,217.81 and 316,271.53
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Solution
The third proportional to 145,217.81 and 316,271.53 is: 688,811.38
Step by Step Solution
- Step 1: Write the proportion equation
145,217.81 : 316,271.53 = 316,271.53 : x - Step 2: Convert to fraction form
145,217.81/316,271.53 = 316,271.53/x - Step 3: Cross multiply
145,217.81x = 316,271.53 × 316,271.53 - Step 4: Simplify right side
145,217.81x = 100,027,681,479.22 - Step 5: Solve for x
x = 100,027,681,479.22/145,217.81 - Step 6: Final answer
x = 688,811.38
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.