Finding the Third Proportional to 7,642,368 and 11,562,129
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Solution
The third proportional to 7,642,368 and 11,562,129 is: 17,492,330.52
Step by Step Solution
- Step 1: Write the proportion equation
7,642,368 : 11,562,129 = 11,562,129 : x - Step 2: Convert to fraction form
7,642,368/11,562,129 = 11,562,129/x - Step 3: Cross multiply
7,642,368x = 11,562,129 × 11,562,129 - Step 4: Simplify right side
7,642,368x = 133,682,827,012,641 - Step 5: Solve for x
x = 133,682,827,012,641/7,642,368 - Step 6: Final answer
x = 17,492,330.52
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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.