Finding the Third Proportional to 320,678 and 692,746
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Solution
The third proportional to 320,678 and 692,746 is: 1,496,507.46
Step by Step Solution
- Step 1: Write the proportion equation
320,678 : 692,746 = 692,746 : x - Step 2: Convert to fraction form
320,678/692,746 = 692,746/x - Step 3: Cross multiply
320,678x = 692,746 × 692,746 - Step 4: Simplify right side
320,678x = 479,897,020,516 - Step 5: Solve for x
x = 479,897,020,516/320,678 - Step 6: Final answer
x = 1,496,507.46
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.