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Finding the Third Proportional to 26,133.50 and 56,459

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Solution

The third proportional to 26,133.50 and 56,459 is: 121,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,133.50 : 56,459 = 56,459 : x
  2. Step 2: Convert to fraction form
    26,133.50/56,459 = 56,459/x
  3. Step 3: Cross multiply
    26,133.50x = 56,459 × 56,459
  4. Step 4: Simplify right side
    26,133.50x = 3,187,618,681
  5. Step 5: Solve for x
    x = 3,187,618,681/26,133.50
  6. Step 6: Final answer
    x = 121,974.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.