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Finding the Third Proportional to 26,143.50 and 39,459

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Solution

The third proportional to 26,143.50 and 39,459 is: 59,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.50 : 39,459 = 39,459 : x
  2. Step 2: Convert to fraction form
    26,143.50/39,459 = 39,459/x
  3. Step 3: Cross multiply
    26,143.50x = 39,459 × 39,459
  4. Step 4: Simplify right side
    26,143.50x = 1,557,012,681
  5. Step 5: Solve for x
    x = 1,557,012,681/26,143.50
  6. Step 6: Final answer
    x = 59,556.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.