Finding the Third Proportional to 320,226.75 and 689,937.75
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Solution
The third proportional to 320,226.75 and 689,937.75 is: 1,486,490.74
Step by Step Solution
- Step 1: Write the proportion equation
320,226.75 : 689,937.75 = 689,937.75 : x - Step 2: Convert to fraction form
320,226.75/689,937.75 = 689,937.75/x - Step 3: Cross multiply
320,226.75x = 689,937.75 × 689,937.75 - Step 4: Simplify right side
320,226.75x = 476,014,098,875.06 - Step 5: Solve for x
x = 476,014,098,875.06/320,226.75 - Step 6: Final answer
x = 1,486,490.74
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.