Finding the Third Proportional to 291,328.50 and 457,776.75
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Solution
The third proportional to 291,328.50 and 457,776.75 is: 719,323.90
Step by Step Solution
- Step 1: Write the proportion equation
291,328.50 : 457,776.75 = 457,776.75 : x - Step 2: Convert to fraction form
291,328.50/457,776.75 = 457,776.75/x - Step 3: Cross multiply
291,328.50x = 457,776.75 × 457,776.75 - Step 4: Simplify right side
291,328.50x = 209,559,552,840.56 - Step 5: Solve for x
x = 209,559,552,840.56/291,328.50 - Step 6: Final answer
x = 719,323.90
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.