Finding the Third Proportional to 299,317.50 and 437,811.75
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Solution
The third proportional to 299,317.50 and 437,811.75 is: 640,387.31
Step by Step Solution
- Step 1: Write the proportion equation
299,317.50 : 437,811.75 = 437,811.75 : x - Step 2: Convert to fraction form
299,317.50/437,811.75 = 437,811.75/x - Step 3: Cross multiply
299,317.50x = 437,811.75 × 437,811.75 - Step 4: Simplify right side
299,317.50x = 191,679,128,438.06 - Step 5: Solve for x
x = 191,679,128,438.06/299,317.50 - Step 6: Final answer
x = 640,387.31
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.