Finding the Third Proportional to 153,681.75 and 314,950.50
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Solution
The third proportional to 153,681.75 and 314,950.50 is: 645,449.56
Step by Step Solution
- Step 1: Write the proportion equation
153,681.75 : 314,950.50 = 314,950.50 : x - Step 2: Convert to fraction form
153,681.75/314,950.50 = 314,950.50/x - Step 3: Cross multiply
153,681.75x = 314,950.50 × 314,950.50 - Step 4: Simplify right side
153,681.75x = 99,193,817,450.25 - Step 5: Solve for x
x = 99,193,817,450.25/153,681.75 - Step 6: Final answer
x = 645,449.56
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.