Finding the Third Proportional to 721,106 and 1,044,480
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Solution
The third proportional to 721,106 and 1,044,480 is: 1,512,868.39
Step by Step Solution
- Step 1: Write the proportion equation
721,106 : 1,044,480 = 1,044,480 : x - Step 2: Convert to fraction form
721,106/1,044,480 = 1,044,480/x - Step 3: Cross multiply
721,106x = 1,044,480 × 1,044,480 - Step 4: Simplify right side
721,106x = 1,090,938,470,400 - Step 5: Solve for x
x = 1,090,938,470,400/721,106 - Step 6: Final answer
x = 1,512,868.39
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.