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Finding the Third Proportional to 39,558 and 62,615

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Solution

The third proportional to 39,558 and 62,615 is: 99,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558 : 62,615 = 62,615 : x
  2. Step 2: Convert to fraction form
    39,558/62,615 = 62,615/x
  3. Step 3: Cross multiply
    39,558x = 62,615 × 62,615
  4. Step 4: Simplify right side
    39,558x = 3,920,638,225
  5. Step 5: Solve for x
    x = 3,920,638,225/39,558
  6. Step 6: Final answer
    x = 99,111.13

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.