Finding the Third Proportional to 7,139,747 and 15,696,670
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Solution
The third proportional to 7,139,747 and 15,696,670 is: 34,508,988.78
Step by Step Solution
- Step 1: Write the proportion equation
7,139,747 : 15,696,670 = 15,696,670 : x - Step 2: Convert to fraction form
7,139,747/15,696,670 = 15,696,670/x - Step 3: Cross multiply
7,139,747x = 15,696,670 × 15,696,670 - Step 4: Simplify right side
7,139,747x = 246,385,449,088,900 - Step 5: Solve for x
x = 246,385,449,088,900/7,139,747 - Step 6: Final answer
x = 34,508,988.78
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.