Finding the Third Proportional to 7,678,765 and 16,803,865
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Solution
The third proportional to 7,678,765 and 16,803,865 is: 36,772,824.66
Step by Step Solution
- Step 1: Write the proportion equation
7,678,765 : 16,803,865 = 16,803,865 : x - Step 2: Convert to fraction form
7,678,765/16,803,865 = 16,803,865/x - Step 3: Cross multiply
7,678,765x = 16,803,865 × 16,803,865 - Step 4: Simplify right side
7,678,765x = 282,369,878,938,225 - Step 5: Solve for x
x = 282,369,878,938,225/7,678,765 - Step 6: Final answer
x = 36,772,824.66
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.