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Finding the Third Proportional to 39,896.50 and 60,709

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Solution

The third proportional to 39,896.50 and 60,709 is: 92,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.50 : 60,709 = 60,709 : x
  2. Step 2: Convert to fraction form
    39,896.50/60,709 = 60,709/x
  3. Step 3: Cross multiply
    39,896.50x = 60,709 × 60,709
  4. Step 4: Simplify right side
    39,896.50x = 3,685,582,681
  5. Step 5: Solve for x
    x = 3,685,582,681/39,896.50
  6. Step 6: Final answer
    x = 92,378.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.