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Finding the Third Proportional to 18,513 and 28,863

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Solution

The third proportional to 18,513 and 28,863 is: 44,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513 : 28,863 = 28,863 : x
  2. Step 2: Convert to fraction form
    18,513/28,863 = 28,863/x
  3. Step 3: Cross multiply
    18,513x = 28,863 × 28,863
  4. Step 4: Simplify right side
    18,513x = 833,072,769
  5. Step 5: Solve for x
    x = 833,072,769/18,513
  6. Step 6: Final answer
    x = 44,999.34

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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.