Finding the Third Proportional to 448,628.81 and 689,574.66
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Solution
The third proportional to 448,628.81 and 689,574.66 is: 1,059,925.70
Step by Step Solution
- Step 1: Write the proportion equation
448,628.81 : 689,574.66 = 689,574.66 : x - Step 2: Convert to fraction form
448,628.81/689,574.66 = 689,574.66/x - Step 3: Cross multiply
448,628.81x = 689,574.66 × 689,574.66 - Step 4: Simplify right side
448,628.81x = 475,513,206,542.31 - Step 5: Solve for x
x = 475,513,206,542.31/448,628.81 - Step 6: Final answer
x = 1,059,925.70
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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.