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Finding the Third Proportional to 80,495,911 and 125,526,831

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Solution

The third proportional to 80,495,911 and 125,526,831 is: 195,748,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,495,911 : 125,526,831 = 125,526,831 : x
  2. Step 2: Convert to fraction form
    80,495,911/125,526,831 = 125,526,831/x
  3. Step 3: Cross multiply
    80,495,911x = 125,526,831 × 125,526,831
  4. Step 4: Simplify right side
    80,495,911x = 15,756,985,300,902,560
  5. Step 5: Solve for x
    x = 15,756,985,300,902,560/80,495,911
  6. Step 6: Final answer
    x = 195,748,890.91

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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.