Finding the Third Proportional to 535 and 857.50
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Solution
The third proportional to 535 and 857.50 is: 1,374.40
Step by Step Solution
- Step 1: Write the proportion equation
535 : 857.50 = 857.50 : x - Step 2: Convert to fraction form
535/857.50 = 857.50/x - Step 3: Cross multiply
535x = 857.50 × 857.50 - Step 4: Simplify right side
535x = 735,306.25 - Step 5: Solve for x
x = 735,306.25/535 - Step 6: Final answer
x = 1,374.40
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.