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Finding the Third Proportional to 26,242 and 56,516

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Solution

The third proportional to 26,242 and 56,516 is: 121,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,242 : 56,516 = 56,516 : x
  2. Step 2: Convert to fraction form
    26,242/56,516 = 56,516/x
  3. Step 3: Cross multiply
    26,242x = 56,516 × 56,516
  4. Step 4: Simplify right side
    26,242x = 3,194,058,256
  5. Step 5: Solve for x
    x = 3,194,058,256/26,242
  6. Step 6: Final answer
    x = 121,715.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.