Finding the Third Proportional to 76,574,184 and 115,772,670
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Solution
The third proportional to 76,574,184 and 115,772,670 is: 175,036,943.51
Step by Step Solution
- Step 1: Write the proportion equation
76,574,184 : 115,772,670 = 115,772,670 : x - Step 2: Convert to fraction form
76,574,184/115,772,670 = 115,772,670/x - Step 3: Cross multiply
76,574,184x = 115,772,670 × 115,772,670 - Step 4: Simplify right side
76,574,184x = 13,403,311,118,928,900 - Step 5: Solve for x
x = 13,403,311,118,928,900/76,574,184 - Step 6: Final answer
x = 175,036,943.51
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.