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Finding the Third Proportional to 39,928 and 59,887

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Solution

The third proportional to 39,928 and 59,887 is: 89,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928 : 59,887 = 59,887 : x
  2. Step 2: Convert to fraction form
    39,928/59,887 = 59,887/x
  3. Step 3: Cross multiply
    39,928x = 59,887 × 59,887
  4. Step 4: Simplify right side
    39,928x = 3,586,452,769
  5. Step 5: Solve for x
    x = 3,586,452,769/39,928
  6. Step 6: Final answer
    x = 89,823.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.