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Finding the Third Proportional to 26,479.50 and 58,287

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Solution

The third proportional to 26,479.50 and 58,287 is: 128,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.50 : 58,287 = 58,287 : x
  2. Step 2: Convert to fraction form
    26,479.50/58,287 = 58,287/x
  3. Step 3: Cross multiply
    26,479.50x = 58,287 × 58,287
  4. Step 4: Simplify right side
    26,479.50x = 3,397,374,369
  5. Step 5: Solve for x
    x = 3,397,374,369/26,479.50
  6. Step 6: Final answer
    x = 128,302.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.