Finding the Third Proportional to 489,000 and 748,029
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Solution
The third proportional to 489,000 and 748,029 is: 1,144,268.68
Step by Step Solution
- Step 1: Write the proportion equation
489,000 : 748,029 = 748,029 : x - Step 2: Convert to fraction form
489,000/748,029 = 748,029/x - Step 3: Cross multiply
489,000x = 748,029 × 748,029 - Step 4: Simplify right side
489,000x = 559,547,384,841 - Step 5: Solve for x
x = 559,547,384,841/489,000 - Step 6: Final answer
x = 1,144,268.68
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.