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Finding the Third Proportional to 51,689,366 and 80,026,491

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Solution

The third proportional to 51,689,366 and 80,026,491 is: 123,898,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,689,366 : 80,026,491 = 80,026,491 : x
  2. Step 2: Convert to fraction form
    51,689,366/80,026,491 = 80,026,491/x
  3. Step 3: Cross multiply
    51,689,366x = 80,026,491 × 80,026,491
  4. Step 4: Simplify right side
    51,689,366x = 6,404,239,261,773,081
  5. Step 5: Solve for x
    x = 6,404,239,261,773,081/51,689,366
  6. Step 6: Final answer
    x = 123,898,584.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.