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Finding the Third Proportional to 26,457.50 and 39,683

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Solution

The third proportional to 26,457.50 and 39,683 is: 59,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.50 : 39,683 = 39,683 : x
  2. Step 2: Convert to fraction form
    26,457.50/39,683 = 39,683/x
  3. Step 3: Cross multiply
    26,457.50x = 39,683 × 39,683
  4. Step 4: Simplify right side
    26,457.50x = 1,574,740,489
  5. Step 5: Solve for x
    x = 1,574,740,489/26,457.50
  6. Step 6: Final answer
    x = 59,519.63

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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.