Finding the Third Proportional to 138,011.63 and 207,708.75
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Solution
The third proportional to 138,011.63 and 207,708.75 is: 312,603.56
Step by Step Solution
- Step 1: Write the proportion equation
138,011.63 : 207,708.75 = 207,708.75 : x - Step 2: Convert to fraction form
138,011.63/207,708.75 = 207,708.75/x - Step 3: Cross multiply
138,011.63x = 207,708.75 × 207,708.75 - Step 4: Simplify right side
138,011.63x = 43,142,924,826.56 - Step 5: Solve for x
x = 43,142,924,826.56/138,011.63 - Step 6: Final answer
x = 312,603.56
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.