Finding the Third Proportional to 149,298.19 and 312,432.19
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Solution
The third proportional to 149,298.19 and 312,432.19 is: 653,818.20
Step by Step Solution
- Step 1: Write the proportion equation
149,298.19 : 312,432.19 = 312,432.19 : x - Step 2: Convert to fraction form
149,298.19/312,432.19 = 312,432.19/x - Step 3: Cross multiply
149,298.19x = 312,432.19 × 312,432.19 - Step 4: Simplify right side
149,298.19x = 97,613,871,786.04 - Step 5: Solve for x
x = 97,613,871,786.04/149,298.19 - Step 6: Final answer
x = 653,818.20
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.