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Finding the Third Proportional to 39,840 and 59,526

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Solution

The third proportional to 39,840 and 59,526 is: 88,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840 : 59,526 = 59,526 : x
  2. Step 2: Convert to fraction form
    39,840/59,526 = 59,526/x
  3. Step 3: Cross multiply
    39,840x = 59,526 × 59,526
  4. Step 4: Simplify right side
    39,840x = 3,543,344,676
  5. Step 5: Solve for x
    x = 3,543,344,676/39,840
  6. Step 6: Final answer
    x = 88,939.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.