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Finding the Third Proportional to 25,285.50 and 39,660.50

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Solution

The third proportional to 25,285.50 and 39,660.50 is: 62,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.50 : 39,660.50 = 39,660.50 : x
  2. Step 2: Convert to fraction form
    25,285.50/39,660.50 = 39,660.50/x
  3. Step 3: Cross multiply
    25,285.50x = 39,660.50 × 39,660.50
  4. Step 4: Simplify right side
    25,285.50x = 1,572,955,260.25
  5. Step 5: Solve for x
    x = 1,572,955,260.25/25,285.50
  6. Step 6: Final answer
    x = 62,207.80

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.