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Finding the Third Proportional to 51,113 and 119,389

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Solution

The third proportional to 51,113 and 119,389 is: 278,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113 : 119,389 = 119,389 : x
  2. Step 2: Convert to fraction form
    51,113/119,389 = 119,389/x
  3. Step 3: Cross multiply
    51,113x = 119,389 × 119,389
  4. Step 4: Simplify right side
    51,113x = 14,253,733,321
  5. Step 5: Solve for x
    x = 14,253,733,321/51,113
  6. Step 6: Final answer
    x = 278,867.09

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.