Finding the Third Proportional to 317,638.13 and 698,253.75
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Solution
The third proportional to 317,638.13 and 698,253.75 is: 1,534,948.93
Step by Step Solution
- Step 1: Write the proportion equation
317,638.13 : 698,253.75 = 698,253.75 : x - Step 2: Convert to fraction form
317,638.13/698,253.75 = 698,253.75/x - Step 3: Cross multiply
317,638.13x = 698,253.75 × 698,253.75 - Step 4: Simplify right side
317,638.13x = 487,558,299,389.06 - Step 5: Solve for x
x = 487,558,299,389.06/317,638.13 - Step 6: Final answer
x = 1,534,948.93
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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.