Finding the Third Proportional to 387,345.09 and 830,721.94
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Solution
The third proportional to 387,345.09 and 830,721.94 is: 1,781,612.70
Step by Step Solution
- Step 1: Write the proportion equation
387,345.09 : 830,721.94 = 830,721.94 : x - Step 2: Convert to fraction form
387,345.09/830,721.94 = 830,721.94/x - Step 3: Cross multiply
387,345.09x = 830,721.94 × 830,721.94 - Step 4: Simplify right side
387,345.09x = 690,098,937,443.75 - Step 5: Solve for x
x = 690,098,937,443.75/387,345.09 - Step 6: Final answer
x = 1,781,612.70
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.