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Finding the Third Proportional to 18,359 and 28,621

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Solution

The third proportional to 18,359 and 28,621 is: 44,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359 : 28,621 = 28,621 : x
  2. Step 2: Convert to fraction form
    18,359/28,621 = 28,621/x
  3. Step 3: Cross multiply
    18,359x = 28,621 × 28,621
  4. Step 4: Simplify right side
    18,359x = 819,161,641
  5. Step 5: Solve for x
    x = 819,161,641/18,359
  6. Step 6: Final answer
    x = 44,619.08

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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.