Finding the Third Proportional to 191,918,960 and 417,914,080
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Solution
The third proportional to 191,918,960 and 417,914,080 is: 910,030,870.65
Step by Step Solution
- Step 1: Write the proportion equation
191,918,960 : 417,914,080 = 417,914,080 : x - Step 2: Convert to fraction form
191,918,960/417,914,080 = 417,914,080/x - Step 3: Cross multiply
191,918,960x = 417,914,080 × 417,914,080 - Step 4: Simplify right side
191,918,960x = 174,652,178,262,246,400 - Step 5: Solve for x
x = 174,652,178,262,246,400/191,918,960 - Step 6: Final answer
x = 910,030,870.65
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.