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Finding the Third Proportional to 25,709 and 38,887.50

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Solution

The third proportional to 25,709 and 38,887.50 is: 58,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709 : 38,887.50 = 38,887.50 : x
  2. Step 2: Convert to fraction form
    25,709/38,887.50 = 38,887.50/x
  3. Step 3: Cross multiply
    25,709x = 38,887.50 × 38,887.50
  4. Step 4: Simplify right side
    25,709x = 1,512,237,656.25
  5. Step 5: Solve for x
    x = 1,512,237,656.25/25,709
  6. Step 6: Final answer
    x = 58,821.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.