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Finding the Third Proportional to 26,570 and 39,918

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Solution

The third proportional to 26,570 and 39,918 is: 59,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570 : 39,918 = 39,918 : x
  2. Step 2: Convert to fraction form
    26,570/39,918 = 39,918/x
  3. Step 3: Cross multiply
    26,570x = 39,918 × 39,918
  4. Step 4: Simplify right side
    26,570x = 1,593,446,724
  5. Step 5: Solve for x
    x = 1,593,446,724/26,570
  6. Step 6: Final answer
    x = 59,971.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.