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Finding the Third Proportional to 30,277 and 47,254

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Solution

The third proportional to 30,277 and 47,254 is: 73,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277 : 47,254 = 47,254 : x
  2. Step 2: Convert to fraction form
    30,277/47,254 = 47,254/x
  3. Step 3: Cross multiply
    30,277x = 47,254 × 47,254
  4. Step 4: Simplify right side
    30,277x = 2,232,940,516
  5. Step 5: Solve for x
    x = 2,232,940,516/30,277
  6. Step 6: Final answer
    x = 73,750.39

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.