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Finding the Third Proportional to 13,188 and 19,750

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Solution

The third proportional to 13,188 and 19,750 is: 29,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188 : 19,750 = 19,750 : x
  2. Step 2: Convert to fraction form
    13,188/19,750 = 19,750/x
  3. Step 3: Cross multiply
    13,188x = 19,750 × 19,750
  4. Step 4: Simplify right side
    13,188x = 390,062,500
  5. Step 5: Solve for x
    x = 390,062,500/13,188
  6. Step 6: Final answer
    x = 29,577.08

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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.