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Finding the Third Proportional to 25,729 and 38,485.50

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Solution

The third proportional to 25,729 and 38,485.50 is: 57,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729 : 38,485.50 = 38,485.50 : x
  2. Step 2: Convert to fraction form
    25,729/38,485.50 = 38,485.50/x
  3. Step 3: Cross multiply
    25,729x = 38,485.50 × 38,485.50
  4. Step 4: Simplify right side
    25,729x = 1,481,133,710.25
  5. Step 5: Solve for x
    x = 1,481,133,710.25/25,729
  6. Step 6: Final answer
    x = 57,566.70

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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.