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Finding the Third Proportional to 443,703,876 and 692,416,818

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Solution

The third proportional to 443,703,876 and 692,416,818 is: 1,080,542,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,703,876 : 692,416,818 = 692,416,818 : x
  2. Step 2: Convert to fraction form
    443,703,876/692,416,818 = 692,416,818/x
  3. Step 3: Cross multiply
    443,703,876x = 692,416,818 × 692,416,818
  4. Step 4: Simplify right side
    443,703,876x = 479,441,049,849,245,120
  5. Step 5: Solve for x
    x = 479,441,049,849,245,120/443,703,876
  6. Step 6: Final answer
    x = 1,080,542,848.02

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.