Finding the Third Proportional to 291,058.50 and 636,243.75
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Solution
The third proportional to 291,058.50 and 636,243.75 is: 1,390,806.69
Step by Step Solution
- Step 1: Write the proportion equation
291,058.50 : 636,243.75 = 636,243.75 : x - Step 2: Convert to fraction form
291,058.50/636,243.75 = 636,243.75/x - Step 3: Cross multiply
291,058.50x = 636,243.75 × 636,243.75 - Step 4: Simplify right side
291,058.50x = 404,806,109,414.06 - Step 5: Solve for x
x = 404,806,109,414.06/291,058.50 - Step 6: Final answer
x = 1,390,806.69
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.