Finding the Third Proportional to 8,516,490 and 18,681,795
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Solution
The third proportional to 8,516,490 and 18,681,795 is: 40,980,434.95
Step by Step Solution
- Step 1: Write the proportion equation
8,516,490 : 18,681,795 = 18,681,795 : x - Step 2: Convert to fraction form
8,516,490/18,681,795 = 18,681,795/x - Step 3: Cross multiply
8,516,490x = 18,681,795 × 18,681,795 - Step 4: Simplify right side
8,516,490x = 349,009,464,422,025 - Step 5: Solve for x
x = 349,009,464,422,025/8,516,490 - Step 6: Final answer
x = 40,980,434.95
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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.