Finding the Third Proportional to 18,314,671 and 39,817,987
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Solution
The third proportional to 18,314,671 and 39,817,987 is: 86,568,417.68
Step by Step Solution
- Step 1: Write the proportion equation
18,314,671 : 39,817,987 = 39,817,987 : x - Step 2: Convert to fraction form
18,314,671/39,817,987 = 39,817,987/x - Step 3: Cross multiply
18,314,671x = 39,817,987 × 39,817,987 - Step 4: Simplify right side
18,314,671x = 1,585,472,088,732,169 - Step 5: Solve for x
x = 1,585,472,088,732,169/18,314,671 - Step 6: Final answer
x = 86,568,417.68
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.