Finding the Third Proportional to 388,031.63 and 579,657.75
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Solution
The third proportional to 388,031.63 and 579,657.75 is: 865,916.81
Step by Step Solution
- Step 1: Write the proportion equation
388,031.63 : 579,657.75 = 579,657.75 : x - Step 2: Convert to fraction form
388,031.63/579,657.75 = 579,657.75/x - Step 3: Cross multiply
388,031.63x = 579,657.75 × 579,657.75 - Step 4: Simplify right side
388,031.63x = 336,003,107,135.06 - Step 5: Solve for x
x = 336,003,107,135.06/388,031.63 - Step 6: Final answer
x = 865,916.81
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.