Finding the Third Proportional to 6,490.13 and 8,634.09
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Solution
The third proportional to 6,490.13 and 8,634.09 is: 11,486.31
Step by Step Solution
- Step 1: Write the proportion equation
6,490.13 : 8,634.09 = 8,634.09 : x - Step 2: Convert to fraction form
6,490.13/8,634.09 = 8,634.09/x - Step 3: Cross multiply
6,490.13x = 8,634.09 × 8,634.09 - Step 4: Simplify right side
6,490.13x = 74,547,574.88 - Step 5: Solve for x
x = 74,547,574.88/6,490.13 - Step 6: Final answer
x = 11,486.31
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.