Finding the Third Proportional to 317,722.50 and 698,415.75
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Solution
The third proportional to 317,722.50 and 698,415.75 is: 1,535,253.44
Step by Step Solution
- Step 1: Write the proportion equation
317,722.50 : 698,415.75 = 698,415.75 : x - Step 2: Convert to fraction form
317,722.50/698,415.75 = 698,415.75/x - Step 3: Cross multiply
317,722.50x = 698,415.75 × 698,415.75 - Step 4: Simplify right side
317,722.50x = 487,784,559,848.06 - Step 5: Solve for x
x = 487,784,559,848.06/317,722.50 - Step 6: Final answer
x = 1,535,253.44
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.