Finding the Third Proportional to 393,577,612.88 and 911,156,298.19
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Solution
The third proportional to 393,577,612.88 and 911,156,298.19 is: 2,109,382,679.73
Step by Step Solution
- Step 1: Write the proportion equation
393,577,612.88 : 911,156,298.19 = 911,156,298.19 : x - Step 2: Convert to fraction form
393,577,612.88/911,156,298.19 = 911,156,298.19/x - Step 3: Cross multiply
393,577,612.88x = 911,156,298.19 × 911,156,298.19 - Step 4: Simplify right side
393,577,612.88x = 830,205,799,726,748,416 - Step 5: Solve for x
x = 830,205,799,726,748,416/393,577,612.88 - Step 6: Final answer
x = 2,109,382,679.73
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.