Finding the Third Proportional to 320,901.75 and 687,345.75
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Solution
The third proportional to 320,901.75 and 687,345.75 is: 1,472,239.34
Step by Step Solution
- Step 1: Write the proportion equation
320,901.75 : 687,345.75 = 687,345.75 : x - Step 2: Convert to fraction form
320,901.75/687,345.75 = 687,345.75/x - Step 3: Cross multiply
320,901.75x = 687,345.75 × 687,345.75 - Step 4: Simplify right side
320,901.75x = 472,444,180,043.06 - Step 5: Solve for x
x = 472,444,180,043.06/320,901.75 - Step 6: Final answer
x = 1,472,239.34
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.