Finding the Third Proportional to 7,221,513 and 15,859,986
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Solution
The third proportional to 7,221,513 and 15,859,986 is: 34,831,919.01
Step by Step Solution
- Step 1: Write the proportion equation
7,221,513 : 15,859,986 = 15,859,986 : x - Step 2: Convert to fraction form
7,221,513/15,859,986 = 15,859,986/x - Step 3: Cross multiply
7,221,513x = 15,859,986 × 15,859,986 - Step 4: Simplify right side
7,221,513x = 251,539,155,920,196 - Step 5: Solve for x
x = 251,539,155,920,196/7,221,513 - Step 6: Final answer
x = 34,831,919.01
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.