Finding the Third Proportional to 221,707.13 and 342,402.19
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Solution
The third proportional to 221,707.13 and 342,402.19 is: 528,802.39
Step by Step Solution
- Step 1: Write the proportion equation
221,707.13 : 342,402.19 = 342,402.19 : x - Step 2: Convert to fraction form
221,707.13/342,402.19 = 342,402.19/x - Step 3: Cross multiply
221,707.13x = 342,402.19 × 342,402.19 - Step 4: Simplify right side
221,707.13x = 117,239,258,004.79 - Step 5: Solve for x
x = 117,239,258,004.79/221,707.13 - Step 6: Final answer
x = 528,802.39
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.