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Finding the Third Proportional to 26,516 and 39,156

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Solution

The third proportional to 26,516 and 39,156 is: 57,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516 : 39,156 = 39,156 : x
  2. Step 2: Convert to fraction form
    26,516/39,156 = 39,156/x
  3. Step 3: Cross multiply
    26,516x = 39,156 × 39,156
  4. Step 4: Simplify right side
    26,516x = 1,533,192,336
  5. Step 5: Solve for x
    x = 1,533,192,336/26,516
  6. Step 6: Final answer
    x = 57,821.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.