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Finding the Third Proportional to 20,678,124 and 34,343,730

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Solution

The third proportional to 20,678,124 and 34,343,730 is: 57,040,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,124 : 34,343,730 = 34,343,730 : x
  2. Step 2: Convert to fraction form
    20,678,124/34,343,730 = 34,343,730/x
  3. Step 3: Cross multiply
    20,678,124x = 34,343,730 × 34,343,730
  4. Step 4: Simplify right side
    20,678,124x = 1,179,491,790,312,900
  5. Step 5: Solve for x
    x = 1,179,491,790,312,900/20,678,124
  6. Step 6: Final answer
    x = 57,040,560.85

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.