Finding the Third Proportional to 408,462.75 and 631,860.75
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Solution
The third proportional to 408,462.75 and 631,860.75 is: 977,440.43
Step by Step Solution
- Step 1: Write the proportion equation
408,462.75 : 631,860.75 = 631,860.75 : x - Step 2: Convert to fraction form
408,462.75/631,860.75 = 631,860.75/x - Step 3: Cross multiply
408,462.75x = 631,860.75 × 631,860.75 - Step 4: Simplify right side
408,462.75x = 399,248,007,390.56 - Step 5: Solve for x
x = 399,248,007,390.56/408,462.75 - Step 6: Final answer
x = 977,440.43
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.