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Finding the Third Proportional to 26,821.50 and 51,207

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Solution

The third proportional to 26,821.50 and 51,207 is: 97,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.50 : 51,207 = 51,207 : x
  2. Step 2: Convert to fraction form
    26,821.50/51,207 = 51,207/x
  3. Step 3: Cross multiply
    26,821.50x = 51,207 × 51,207
  4. Step 4: Simplify right side
    26,821.50x = 2,622,156,849
  5. Step 5: Solve for x
    x = 2,622,156,849/26,821.50
  6. Step 6: Final answer
    x = 97,763.24

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.