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Finding the Third Proportional to 26,148 and 40,515

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Solution

The third proportional to 26,148 and 40,515 is: 62,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148 : 40,515 = 40,515 : x
  2. Step 2: Convert to fraction form
    26,148/40,515 = 40,515/x
  3. Step 3: Cross multiply
    26,148x = 40,515 × 40,515
  4. Step 4: Simplify right side
    26,148x = 1,641,465,225
  5. Step 5: Solve for x
    x = 1,641,465,225/26,148
  6. Step 6: Final answer
    x = 62,775.94

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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.