Finding the Third Proportional to 10,640,416 and 16,509,534
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Solution
The third proportional to 10,640,416 and 16,509,534 is: 25,615,982.77
Step by Step Solution
- Step 1: Write the proportion equation
10,640,416 : 16,509,534 = 16,509,534 : x - Step 2: Convert to fraction form
10,640,416/16,509,534 = 16,509,534/x - Step 3: Cross multiply
10,640,416x = 16,509,534 × 16,509,534 - Step 4: Simplify right side
10,640,416x = 272,564,712,897,156 - Step 5: Solve for x
x = 272,564,712,897,156/10,640,416 - Step 6: Final answer
x = 25,615,982.77
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.