Finding the Third Proportional to 399,360.75 and 868,689.75
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Solution
The third proportional to 399,360.75 and 868,689.75 is: 1,889,574.48
Step by Step Solution
- Step 1: Write the proportion equation
399,360.75 : 868,689.75 = 868,689.75 : x - Step 2: Convert to fraction form
399,360.75/868,689.75 = 868,689.75/x - Step 3: Cross multiply
399,360.75x = 868,689.75 × 868,689.75 - Step 4: Simplify right side
399,360.75x = 754,621,881,755.06 - Step 5: Solve for x
x = 754,621,881,755.06/399,360.75 - Step 6: Final answer
x = 1,889,574.48
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.