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Finding the Third Proportional to 15,477 and 22,239

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Solution

The third proportional to 15,477 and 22,239 is: 31,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477 : 22,239 = 22,239 : x
  2. Step 2: Convert to fraction form
    15,477/22,239 = 22,239/x
  3. Step 3: Cross multiply
    15,477x = 22,239 × 22,239
  4. Step 4: Simplify right side
    15,477x = 494,573,121
  5. Step 5: Solve for x
    x = 494,573,121/15,477
  6. Step 6: Final answer
    x = 31,955.36

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.