Finding the Third Proportional to 489,756.38 and 756,798.19
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Solution
The third proportional to 489,756.38 and 756,798.19 is: 1,169,445.72
Step by Step Solution
- Step 1: Write the proportion equation
489,756.38 : 756,798.19 = 756,798.19 : x - Step 2: Convert to fraction form
489,756.38/756,798.19 = 756,798.19/x - Step 3: Cross multiply
489,756.38x = 756,798.19 × 756,798.19 - Step 4: Simplify right side
489,756.38x = 572,743,496,603.29 - Step 5: Solve for x
x = 572,743,496,603.29/489,756.38 - Step 6: Final answer
x = 1,169,445.72
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.