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Finding the Third Proportional to 15,779 and 26,297

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Solution

The third proportional to 15,779 and 26,297 is: 43,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779 : 26,297 = 26,297 : x
  2. Step 2: Convert to fraction form
    15,779/26,297 = 26,297/x
  3. Step 3: Cross multiply
    15,779x = 26,297 × 26,297
  4. Step 4: Simplify right side
    15,779x = 691,532,209
  5. Step 5: Solve for x
    x = 691,532,209/15,779
  6. Step 6: Final answer
    x = 43,826.11

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.