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Finding the Third Proportional to 26,433 and 40,905

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Solution

The third proportional to 26,433 and 40,905 is: 63,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433 : 40,905 = 40,905 : x
  2. Step 2: Convert to fraction form
    26,433/40,905 = 40,905/x
  3. Step 3: Cross multiply
    26,433x = 40,905 × 40,905
  4. Step 4: Simplify right side
    26,433x = 1,673,219,025
  5. Step 5: Solve for x
    x = 1,673,219,025/26,433
  6. Step 6: Final answer
    x = 63,300.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.